This is in the spirit of the What is a Word/Phrase™ series started by JLee with a special brand of Phrase™ and Word™ puzzles.

If a word conforms to a special rule, I call it a Tower Word™.

Use the following examples below to find the rule.

Examples of Tower Words

And, if you want to analyze, here is a CSV version:

Tower Words™,Not Tower Words™
  • 4
    $\begingroup$ Hey, nice Homestuck avatar! :D $\endgroup$
    – Deusovi
    Sep 15, 2016 at 3:07
  • 1
    $\begingroup$ @Deusovi Agreed :P $\endgroup$
    – Arcturus
    Sep 15, 2016 at 3:24

1 Answer 1


A Tower Word™ is a word ...

Consisting of letters which you can stack to form a tower. The edges of the letters that are stacked must be perfect (i.e, perfectly curved edges must be placed on top of perfectly curved edges and perfectly straight edges must be placed on top of perfectly straight edges). Such as ANVIL, The edges of the bottom parts of A can be placed on top of the edges of N, similarly, the bottom edges of N can placed on top of V and so on.

Take the first three words as examples:

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  • 5
    $\begingroup$ COOCOO seems unstable but ok hahaha $\endgroup$
    – lois6b
    Sep 15, 2016 at 6:08
  • 1
    $\begingroup$ So why is GOOD not a tower word as well? If COOCOO is stable, so should be GOOD $\endgroup$
    – Zibelas
    Sep 15, 2016 at 10:45
  • $\begingroup$ @Zibelas, I see it seems stable, but another condition is that the edges of both letters must be either both straight, curved, or straight with a curve. For example, COOCOO is stable as the edges of the Cs and Os are curved. GOOD is not as stable because the edge of O is totally curved while D is straight with a curve. $\endgroup$
    – Takeshi
    Sep 15, 2016 at 10:50
  • $\begingroup$ In that case a lot of words have a problem. I agree with ANVIL, but take TILT, the T is fitting on the I, how is the I fitting on the L? One is centered, one is left orientated. $\endgroup$
    – Zibelas
    Sep 15, 2016 at 11:30
  • $\begingroup$ @Zibelas I thought of this too, but it seems the horizontal alignment is not taken into account, this is like how Sean created the stacking of ANVIL. $\endgroup$
    – Takeshi
    Sep 15, 2016 at 11:34

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