I read in an old puzzle book of mine (I don't remember what it was called, but it had an orange hardback cover and featured only original puzzles) that it is possible to create a list of words that would ensure the second player victory in two person Ghost (a classic word game) every time. For example, starting with C would result in CWM, resulting in victory for the second player. Starting with B would result in BWANA.

Assuming that a three-letter word or longer gets one out, and using the newest official word list from Scrabble as the word source (that's like the OSPD but includes censored words), is this indeed possible, and what are the words?

(For bonus points give me a list assuming four-or-longer as well.)

  • $\begingroup$ Can someone who is familiar with Ruby run this script: github.com/hickford/ghost on the OWL4 wordlist? $\endgroup$ – TheAsh Jul 29 '19 at 0:29
  • $\begingroup$ I am offering a bounty to whoever posts the answer with based on the OWL 4 wordlist. $\endgroup$ – TheAsh Aug 2 '19 at 2:20
  • $\begingroup$ Has a correct answer been given? If so, please don't forget to $\color{green}{\checkmark \small\text{Accept}}$ it. If not, some responses to the answerers to help steer them in the right direction would be helpful. $\endgroup$ – Rubio Aug 7 '19 at 0:10
  • $\begingroup$ @Rubio, not yet. I did indicate in a number of places why the solution is inadequate - it has not yet been answered with the required word list (The OWL 4, or the Scrabble wordlist.) $\endgroup$ – TheAsh Aug 7 '19 at 5:07


isn’t possible for player 2 to always win (or even for one player to always win) as shown by Randall Munroe’s XKCD blog. If I understand your question correctly, player 1 beginning with H, J, M, or Z will win Player 1 the game every time; player 2 will win the game every other time. Sample lists are found for each letter in the link above.

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    $\begingroup$ "(I hear if you use the Scrabble wordlist, it’s always a win for the second player)." That is what I'm referring to. $\endgroup$ – TheAsh Jul 28 '19 at 21:38
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    $\begingroup$ I don’t get your question, @TheAsh. One of the words in the link is hazard. I’m pretty sure that’s in the Scrabble word list and a win for player 1..... $\endgroup$ – El-Guest Jul 28 '19 at 21:41
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    $\begingroup$ @TheAsh However, "Hm" and "Mm" are also in the Scrabble word list, so replying to "H" or "M" with "M" means you immediately lose. $\endgroup$ – Chronocidal Jul 29 '19 at 10:29
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    $\begingroup$ @TheAsh: I think J is a losing strategy as well; the second player can respond with U, forcing the first player to complete JUS. $\endgroup$ – Michael Seifert Jul 29 '19 at 13:31
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    $\begingroup$ @MichaelSeifert: with JU the first player could play N, leading towards June or Juniper... that said, juniper could be a forced win too... $\endgroup$ – El-Guest Jul 29 '19 at 13:34

The book is David Silverman's Your Move.

Another easy 2nd-player win the author mentions is DV forcing the first player into DVANDVA or DVORNIK.

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    $\begingroup$ This is great, but not an answer. $\endgroup$ – TheAsh Jul 28 '19 at 22:21

Curiously enough, I wrote a program to do just this nearly 10 years ago! I've long since lost the program, but here are all the ways the second player can force a win:

a: ['aorta', 'aortographies', 'aortography']
b: ['bwana']
c: ['cnidarian', 'ctenidium', 'ctenoid', 'ctenophoran']
d: ['dwarf', 'dwarves', 'dweeb', 'dwell', 'dwelt', 'dwindle', 'dwindling', 'dwine', 'dwining']
e: ['ejaculate', 'ejaculating', 'ejaculation', 'eject', 'equable', 'equably', 'equal', 'equator', 'equerries', 'equerry', 'equiangular', 'equicaloric', 'equid', 'equilateral', 'equilibrant', 'equilibrate', 'equilibrating', 'equilibration', 'equilibrist', 'equilibrium', 'equimolar', 'equinoctial', 'equinox', 'equip', 'equisetum', 'equitable', 'equitably', 'equites', 'equivalence', 'equivalencies', 'equivalency', 'equivocal', 'equivocator', 'equivoque']
f: ['fjeld', 'fjord']
g: ['gjetost']
h: ['hryvnia']
i: ['ihram', 'ipomoea', 'ipsilateral', 'ivied', 'ivies', 'ivories', 'ivory', 'ivylike']
j: ['jnana']
k: ['klatsch', 'klavern', 'kleagle', 'kleptomania', 'klezmer', 'klezmorim', 'klister', 'klong', 'kloof', 'kluge', 'klutz', 'kwashiorkor']
l: ['llama', 'llano']
m: ['mbira', 'mpret']
n: ['ngwee', 'nyala', 'nylghai', 'nylghau', 'nylon', 'nymph', 'nystagmic', 'nystagmus']
o:  ['oecumenical', 'oedipal', 'oenomel', 'oenophile', 'oersted', 'oesophagi', 'oestrin', 'oestrum', 'oestrus', 'oquassa', 'ozocerite', 'ozokerite', 'ozonate', 'ozonating', 'ozonation', 'ozone', 'ozonide', 'ozonise', 'ozonising', 'ozonization', 'ozonize', 'ozonizing', 'ozonosphere', 'ozonous']
p: ['pneumococci', 'pneumograph', 'pneumonectomies', 'pneumonectomy', 'pneumonia', 'pneumonic', 'pneumonitides', 'pneumonitis', 'ptarmigan', 'pteridine', 'pteridologies', 'pteridologist', 'pteridology', 'pterodactyl', 'pterosaur', 'pterygium', 'pterygoid', 'pteryla', 'ptomain', 'ptyalin']
q: ['quaff', 'quahaug', 'quake', 'quakier', 'quakily', 'quaking', 'quaky', 'quale', 'qualifiable', 'qualification', 'qualified', 'qualifier', 'qualifies', 'qualify', 'qualitative', 'qualities', 'quality', 'qualm', 'quamash', 'quant', 'quare', 'quark', 'quarrel', 'quart', 'quash', 'quasi', 'quass', 'quate', 'quattuordecillion', 'quean', 'queasiest', 'queaziest', 'quebracho', 'queen', 'queer', 'quell', 'quercetin', 'querida', 'queried', 'querier', 'queries', 'querist', 'quern', 'querulous', 'query', 'quest', 'quetzal', 'queue', 'queuing', 'quibble', 'quibbling', 'quick', 'quiescent', 'quiet', 'quiff', 'quill', 'quilt', 'quire', 'quiring', 'quirk', 'quirt', 'quixote', 'quixotism', 'quoin', 'quoit', 'quomodo', 'quondam', 'quota', 'quote', 'quoth', 'quotidian', 'quoting', 'qursh']
r: ['reaccession', 'reacclimatize', 'reacclimatizing', 'reach', 'reacquire', 'reacquiring', 'reacquisition', 'react', 'reaffix', 'reagent', 'reaggregate', 'reaggregating', 'reaggregation', 'reanalyze', 'reanalyzing', 'reanimate', 'reanimating', 'reanimation', 'reannex', 'reassurance', 'reata', 'reattempt', 'reattribute', 'reattributing', 'reattribution', 'reauthorization', 'reauthorize', 'reauthorizing', 'reavail', 'reave', 'reaving', 'reawake', 'reawaking', 'reawoke', 'rebalance', 'rebalancing', 'rebaptism', 'rebaptize', 'rebaptizing', 'rebar', 'rebbe', 'rebec', 'rebegan', 'rebegin', 'rebegun', 'rebel', 'rebid', 'rebirth', 'reblend', 'rebloom', 'reboant', 'reboard', 'rebop', 'rebound', 'rebreed', 'rebroadcast', 'rebuild', 'rebuilt', 'rebus', 'rebut', 'rebuy', 'recalcitrance', 'recalcitrancies', 'recalcitrancy', 'recalculate', 'recalculating', 'recalculation', 'recalibrate', 'recalibrating', 'recalibration', 'recap', 'recarried', 'recarries', 'recarry', 'recce', 'receipt', 'receive', 'receiving', 'recencies', 'recency', 'recension', 'recertification', 'recertified', 'recertifies', 'recertify', 'rechallenge', 'rechallenging', 'rechannel', 'rechart', 'rechauffe', 'recheat', 'recheck', 'recherche', 'rechoreograph', 'rechose', 'rechromatograph', 'recipient', 'reciprocate', 'reciprocating', 'reciprocation', 'reciprocative', 'reciprocities', 'reciprocity', 'recirculate', 'recirculating', 'recirculation', 'recital', 'reclaim', 'reclamation', 'reclame', 'reclasp', 'reclean', 'recline', 'reclining', 'recluse', 'reclusion', 'reclusive', 'recognise', 'recognising', 'recognition', 'recognizabilities', 'recognizability', 'recognize', 'recognizing', 'recollect', 'recolor', 'recommend', 'recompilation', 'recompile', 'recompiling', 'recompose', 'recomposing', 'recomposition', 'recomputation', 'recompute', 'recomputing', 'recon', 'recount', 'recover', 'recrate', 'recrating', 'recriminate', 'recriminating', 'recrimination', 'recriminative', 'recriminatory', 'recross', 'recrown', 'recruit', 'recrystallization', 'recrystallize', 'recrystallizing', 'recta', 'recti', 'recto', 'rectrices', 'rectrix', 'recultivate', 'recultivating', 'recumbent', 'recur', 'recusal', 'recusancies', 'recusancy', 'recut', 'recycle', 'recycling', 'redan', 'redbait', 'redbird', 'redbone', 'redbreast', 'redcoat', 'redfish', 'redhead', 'redia', 'redid', 'redip', 'rediscuss', 'redisplay', 'redispose', 'redisposing', 'redisposition', 'redistill', 'redivivus', 'redline', 'redlining', 'redly', 'redneck', 'redness', 'redpoll', 'redraft', 'redream', 'redress', 'redried', 'redries', 'redrill', 'redrive', 'redriving', 'redroot', 'redrove', 'redry', 'redtail', 'redub', 'reducible', 'reducibly', 'reductant', 'reductase', 'reduction', 'reductive', 'redundant', 'reduplicate', 'reduplicating', 'reduplication', 'reduplicative', 'redux', 'redware', 'redwing', 'redwood', 'redye', 'reechiest', 'reeject', 'reembroider', 'reemphasize', 'reemphasizing', 'reenact', 'reencounter', 'reendow', 'reenforce', 'reenforcing', 'reengrave', 'reengraving', 'reenjoy', 'reenter', 'reentrant', 'reentries', 'reentry', 'reequip', 'reerect', 'reeve', 'reeving', 'reevoke', 'reevoking', 'reexamination', 'reexamine', 'reexamining', 'reexpel', 'reexplore', 'reexploring', 'reexpress', 'refashion', 'refed', 'refel', 'refence', 'refencing', 'refer', 'reffing', 'refight', 'refinance', 'refinancing', 'refit', 'refix', 'reflate', 'reflating', 'reflation', 'reflect', 'reflies', 'refloat', 'reflood', 'refluence', 'refly', 'refocus', 'reforge', 'reforging', 'refortification', 'refortified', 'refortifies', 'refortify', 'refound', 'refract', 'refrain', 'reframe', 'reframing', 'refrangible', 'refresh', 'refried', 'refries', 'refrigerant', 'refrigerate', 'refrigerating', 'refrigeration', 'refront', 'refroze', 'refry', 'refugia', 'refulgent', 'refurbish', 'refurnish', 'refusal', 'refutable', 'refutably', 'refutal', 'regal', 'regatta', 'regauge', 'regauging', 'regencies', 'regency', 'regenerable', 'regenerator', 'reges', 'regicidal', 'regisseur', 'registrable', 'registrar', 'reglaze', 'reglazing', 'regloss', 'regma', 'regna', 'regorge', 'regorging', 'regosol', 'regrade', 'regrading', 'regraft', 'regrant', 'regrate', 'regrating', 'regreen', 'regreet', 'regress', 'regrind', 'regroom', 'regroup', 'regular', 'regulator', 'regulus', 'regurgitate', 'regurgitating', 'regurgitation', 'rehab', 'rehem', 'rehinge', 'rehinging', 'rehospitalization', 'rehospitalize', 'rehospitalizing', 'rehouse', 'rehousing', 'rehydrate', 'rehydrating', 'rehydration', 'rehypnotize', 'rehypnotizing', 'reign', 'reimage', 'reimagine', 'reimaging', 'reimagining', 'reimburse', 'reimbursing', 'reimmerse', 'reimmersing', 'reimplant', 'reitbok', 'reiterate', 'reiterating', 'reiteration', 'reiterative', 'reive', 'reiving', 'rejoice', 'rejoicing', 'rejudge', 'rejudging', 'rejuvenator', 'rejuvenescent', 'rekey', 'relabel', 'relacquer', 'relandscape', 'relandscaping', 'relapse', 'relapsing', 'relatable', 'relator', 'relax', 'relay', 'relearn', 'release', 'releasing', 'relet', 'relevance', 'relevancies', 'relevancy', 'reliabilities', 'reliability', 'reliant', 'relic', 'relieve', 'relieving', 'relievo', 'relight', 'religiose', 'religiosities', 'religiosity', 'religious', 'reliquaries', 'reliquary', 'relique', 'reliquiae', 'relit', 'relocatable', 'relubricate', 'relubricating', 'relubrication', 'reman', 'remap', 'remarried', 'remarries', 'remarry', 'rematch', 'remeasure', 'remeasuring', 'remediabilities', 'remediability', 'remediate', 'remediating', 'remediation', 'remembrance', 'remerge', 'remerging', 'remet', 'remex', 'remiges', 'remigration', 'reminisce', 'reminiscing', 'remit', 'remix', 'remnant', 'remodel', 'remoisten', 'remonstrant', 'remonstrate', 'remonstrating', 'remonstration', 'remonstrative', 'remorid', 'remorse', 'remount', 'removable', 'removably', 'removal', 'remunerator', 'remythologize', 'remythologizing', 'renaissance', 'renal', 'renascent', 'renationalization', 'renationalize', 'renationalizing', 'rencontre', 'renegotiate', 'renegotiating', 'renegotiation', 'renew', 'renig', 'renin', 'renitencies', 'renitency', 'rennase', 'renographic', 'renormalization', 'renormalize', 'renormalizing', 'renovator', 'reobserve', 'reobserving', 'reoccur', 'reoffer', 'reoil', 'reoperate', 'reoperating', 'reoperation', 'reorchestrate', 'reorchestrating', 'reorchestration', 'reorder', 'reoxidation', 'reoxidize', 'reoxidizing', 'repaint', 'repanel', 'repaper', 'reparable', 'repartition', 'repatch', 'repattern', 'repay', 'repechage', 'repeg', 'repel', 'repertories', 'repertory', 'repetitious', 'repin', 'replace', 'replacing', 'replaster', 'replate', 'replating', 'replead', 'replenish', 'replete', 'repletion', 'repleviable', 'replevied', 'replevies', 'replevy', 'replica', 'replied', 'replier', 'replies', 'replumb', 'reply', 'reprehend', 'reprehensible', 'reprehensibly', 'represent', 'repress', 'reprice', 'repricing', 'reprieval', 'reprimand', 'reprint', 'reprise', 'reprising', 'reprivatization', 'reprivatize', 'reprivatizing', 'repro', 'reptant', 'reptile', 'reptilium', 'republish', 'repudiate', 'repudiating', 'repudiation', 'repulse', 'repulsing', 'repulsion', 'repulsive', 'repunctuation', 'reputable', 'reputably', 'requalification', 'requalified', 'requalifies', 'requalify', 'request', 'requiem', 'require', 'requiring', 'requisite', 'requisition', 'requite', 'requiting', 'reradiate', 'reradiating', 'reradiation', 'reraise', 'reraising', 'reran', 'reredos', 'rerelease', 'rereleasing', 'reremouse', 'rerig', 'reroute', 'rerouting', 'rerun', 'resalable', 'resaw', 'resay', 'rescale', 'rescaling', 'rescind', 'rescore', 'rescoring', 'rescuable', 'resee', 'resegregate', 'resegregating', 'resegregation', 'reseize', 'reseizing', 'resemblance', 'resensitize', 'resensitizing', 'reserpine', 'reservation', 'reserve', 'reservice', 'reservicing', 'reserving', 'reservist', 'reservoir', 'reset', 'resew', 'resid', 'resight', 'resilient', 'resin', 'resitting', 'reslate', 'reslating', 'resmelt', 'resocialization', 'resocialize', 'resocializing', 'resod', 'resojet', 'resoluble', 'resolve', 'resolving', 'resonance', 'resonator', 'resound', 'resow', 'respace', 'respacing', 'respade', 'respading', 'respeak', 'respect', 'respell', 'respelt', 'respiration', 'respire', 'respiring', 'respirometric', 'respite', 'respiting', 'resplendent', 'resplit', 'respoke', 'respond', 'responsible', 'responsibly', 'responsions', 'responsum', 'respray', 'resurface', 'resurfacing', 'resurge', 'resurging', 'resurrect', 'resuscitate', 'resuscitating', 'resuscitation', 'resuscitative', 'resyntheses', 'resynthesis', 'resystematize', 'resystematizing', 'retable', 'retag', 'retaliate', 'retaliating', 'retaliation', 'retaliative', 'retaliatory', 'retaste', 'retasting', 'retax', 'retch', 'rethink', 'rethought', 'retia', 'reticence', 'reticencies', 'reticency', 'reticle', 'reticuloendothelial', 'reticulum', 'retie', 'retighten', 'retinitides', 'retinitis', 'retinol', 'retinopathies', 'retinopathy', 'retinoscopies', 'retinoscopy', 'retinue', 'retitle', 'retitling', 'retouch', 'retrace', 'retracing', 'retrack', 'retract', 'retrain', 'retransform', 'retranslate', 'retranslating', 'retranslation', 'retread', 'retreat', 'retrial', 'retribution', 'retributive', 'retributory', 'retried', 'retries', 'retrievable', 'retrieval', 'retro', 'retry', 'retting', 'retwist', 'retying', 'reunification', 'reunified', 'reunifies', 'reunify', 'reunion', 'reunite', 'reuniting', 'reupholster', 'reusabilities', 'reusability', 'reuse', 'reusing', 'reutilization', 'reutilize', 'reutilizing', 'reutter', 'revaccinate', 'revaccinating', 'revaccination', 'revaluate', 'revaluating', 'revaluation', 'revalue', 'revaluing', 'revascularization', 'revel', 'revenge', 'revenging', 'revenue', 'reverie', 'revet', 'revictual', 'revisable', 'revisal', 'revisit', 'revisor', 'revisualization', 'revivable', 'revival', 'reviviscent', 'revocable', 'revoice', 'revoicing', 'revokable', 'revolve', 'revolving', 'revue', 'revuist', 'revulsion', 'revulsive', 'revving', 'rewan', 'rewax', 'reweave', 'reweaving', 'rewed', 'reweigh', 'rewet', 'rewiden', 'rewin', 'rewon', 'rewound', 'rewrite', 'rewriting', 'rewritten', 'rewrote', 'rewrought', 'rexes', 'reynard', 'rhabdocoele', 'rhabdom', 'rhabdovirus', 'rhachides', 'rhachis', 'rhadamanthine', 'rhamnus', 'rhaphae', 'rhapsodic', 'rhatanies', 'rhatany', 'rhenium', 'rheological', 'rheometer', 'rheum', 'rhinencephala', 'rhino', 'rhizobium', 'rhizoctonia', 'rhizoid', 'rhizoma', 'rhizome', 'rhizopi', 'rhizosphere', 'rhizotomies', 'rhizotomy', 'rhodium', 'rhodochrosite', 'rhodolite', 'rhodonite', 'rhodopsin', 'rhodora', 'rhomb', 'rhonchi', 'rhubarb', 'rhumb', 'rhyme', 'rhyming', 'rhyolitic', 'rhyta', 'rhytidome']
s: ['sferics', 'sforzandi', 'sforzando', 'sfumato', 'sgraffiti', 'sgraffito', 'sjambok', 'squab', 'squad', 'squalid', 'squalor', 'squamosal', 'squat', 'squaw', 'squeamish', 'squeezabilities', 'squeezability', 'squeeze', 'squeezing', 'squeg', 'squelch', 'squib', 'squid', 'squiffier', 'squiffy', 'squiggliest', 'squinch', 'squinnied', 'squinnier', 'squinnies', 'squinny', 'squoosh']
t: ['tchotchke']; 
u: ['ufologies', 'ufologist', 'ufology', 'uhlan', 'uintahite', 'uxorial', 'uxoricide']
v: ['vying']
w: ['wrack', 'wrang', 'wrassle', 'wrassling', 'wrastle', 'wrastling', 'wrath', 'wreak', 'wreck', 'wrest', 'wrick', 'wried', 'wrier', 'wries', 'wriggle', 'wrigglier', 'wriggling', 'wriggly', 'wring', 'wrinkle', 'wrinklier', 'wrinkling', 'wrinkly', 'wrist', 'wrong', 'wrote', 'wroth', 'wrought', 'wrung', 'wryer', 'wryly', 'wryneck', 'wryness']
x: ['xanthan', 'xanthic', 'xanthin', 'xanthophyll', 'xebec', 'xenia', 'xenic', 'xenodiagnoses', 'xenodiagnosis', 'xenograft', 'xenon', 'xenophile', 'xenophobe', 'xerarch', 'xeric', 'xerographic', 'xerophile', 'xerophilies', 'xerophilous', 'xerophily', 'xerophthalmia', 'xerophthalmic', 'xerophyte', 'xerophytism', 'xeroradiographies', 'xeroradiography', 'xeroses', 'xerosis', 'xerothermic', 'xerotic', 'xerox', 'xerus', 'xiphisterna', 'xiphoid']
y:  ['ycleped', 'yperite', 'ytterbium', 'yttrium']
z: ['zlote', 'zloties', 'zloty', 'zucchetto']
| improve this answer | |
  • $\begingroup$ With which word list is this? $\endgroup$ – TheAsh Jul 29 '19 at 16:33
  • $\begingroup$ I don't know. I made it 10 years ago. Probably a very large one. Maybe enable.txt? $\endgroup$ – Parseltongue Jul 29 '19 at 17:41
  • $\begingroup$ Anyway you can rerun it with the OWL4? $\endgroup$ – TheAsh Jul 29 '19 at 21:36

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