# What is a Triple-decker word™?

I have a rule which makes a word a triple-decker word™.

Use my list below to see if you can figure out the rule:

$$% set Title text. (spaces around the text ARE important; do not remove.) % increase Pad value only if your entries are longer than the title bar. % \def\Pad{\P{0.0}} \def\Title{\textbf{ Triple-decker }} % \def\S#1#2{\Space{#1}{20px}{#2px}}\def\P#1{\V{#1em}}\ \def\V#1{\S{#1}{9}} \def\T{\Title\textbf{Words }^™\Pad}\def\NT{\Pad\textbf{Not}\T\ }\displaystyle \smash{\lower{29px}\bbox[yellow]{\phantom{\rlap{rubio.2017.02.04}\S{6px}{0} \begin{array}{cc}\Pad\T&\NT\\\end{array}}}}\atop\def\V#1{\S{#1}{5}} \begin{array}{|c|c|}\hline\Pad\T&\NT\\\hline % \text{BABOON}&\text{CAPUCHIN}\\ \hline \text{RAVINE}&\text{CREVASSE}\\ \hline \text{REFERS}&\text{IMPLIES}\\ \hline \text{BOUGHT}&\text{STOLE}\\ \hline \text{EMBLAZONRY}&\text{EMBROIDERY}\\ \hline \text{FIVERS}&\text{TENNERS}\\ \hline \text{FANS}&\text{NEUTRALS}\\ \hline \text{EARNER}&\text{MOOCHER}\\ \hline \text{GNAT}&\text{ANT}\\ \hline \end{array}$$

Text-only version:

BABOON,CAPUCHIN
RAVINE,CREVASSE
REFERS,IMPLIES
BOUGHT,STOLE
EMBLAZONRY,EMBROIDERY
FIVERS,TENNERS
FANS,NEUTRALS
EARNER,MOOCHER
GNAT,ANT

This puzzle can be solved by testing the Triple-decker words™ without using the non-triple-decker words™.

• I'm a bit confused, are "TRIPLE-DECKER WORDS" a triple-decker word and "NON-TRIPLE-DECKER WORDS" a non-triple-decker word? I assume they are not – Florian Bourse May 4 '18 at 9:04
• Sorry, I don't quite follow. As far as I know there isn't already such a thing as a triple-decker word already. There is a specific set of words I am thinking of, which triple-decker words are part of and non-triple-decker words are not in this set. – Joseph Mulligan May 4 '18 at 9:07
• I've applied something like the usual template. I hope this clarifies the issue discussed above. – Gareth McCaughan May 4 '18 at 9:36
• (The formatting isn't quite right -- for me, at least, it looks OK while editing and goes wrong when displayed normally. I think @Rubio is the expert here; the template was his originally. Perhaps he will drop by and figure out what's wrong. Or maybe it's just my browser being odd.) – Gareth McCaughan May 4 '18 at 9:38
• It looks fine to me, hopefully just a browser issue. – Joseph Mulligan May 4 '18 at 9:38

Triple Decker words are surely

Words that are anagrams of themselves when rot13'd.

Triple Deckers:

REFERS -> ERSREF               RAVINE -> ENIVAR
FANS -> SNAF                   GNAT -> TANG
EARNER -> RNEARE               BABOON -> ONOBBA
FIVERS -> SVIREF           EMBLAZONRY -> RZOYNMBAEL
REFERS -> ERSREF               BOUGHT -> OBHTUG

• (I've formatted your word list with <pre> inside the spoiler. If you don't like it, roll back. Unfortunately, markup inside spoiler tags is a bit tricky.) – M Oehm May 4 '18 at 13:09
• So why are they called "triple-decker words"? – Bálint Budavölgyi May 4 '18 at 13:33
• @BálintBudavölgyi I think it's because "decker" sounds a lot like "deca", and "triple" + "deca" ... – Hellion May 4 '18 at 13:58
• @Hellion correct, I was going to go with triskadeka-words but thought that would be a little bit too obvious. – Joseph Mulligan May 4 '18 at 15:16
• I was going for something totally different, with the word 'deck', I looked at which letters had a 'top platform' in their shape on which you could make a deck :) and quite a few have 3! – Thomas May 4 '18 at 18:13