Taxonomy of Wordplay

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  1. Letter Appearance
    1. Entire Word
      1. spelled with short lowercase letters = acemnorsuvwxz, longest
      2. spelled with tall lowercase letters = bdfghijklpqty, longest
      3. spelled with letters with descenders = gjpqy, longest
      4. spelled with letters with ascenders = bdfhijklt, longest
      5. rotation or reflection symmetry
      6. unusual punctuation
      7. straight-line or curved word (spelled with capitals of straight strokes only, AEFHIKLMNTVWXYZ, or curved only), longest
      8. diagonal-stroke word (spelled with AKMNVWXYZ), longest
      9. Euler-path word (every letter drawable in one stroke), longest
      10. same in both cases (spelled with cosuvwxz), longest
      11. same headshot or footprint (words whose letter tops, or letter bottoms, look identical)
      12. alternating letter heights (letters alternate with ascenders or descenders), longest
      13. narrowest word in print, for each length
      14. letter length (total stroke length in an idealized font), longest and shortest
      15. stroke count (letters valued by pen strokes)
      16. calculator word (number that reads as a word on an upside-down calculator), longest
      17. interlingual homoglyph (letter string that reads as a word in two scripts)
      18. rn/m confusion pair (words alike in print because rn resembles m)
      19. internally capitalized word (capital letter inside a word), for each letter
      20. kamchatka word (spelled only with capitals shared by the Latin and Cyrillic alphabets: ABCEHKMOPTXY), longest
      21. typographic wordplay (word or text drawn to show its meaning)
    2. Subset of Word
      1. ratio dotted to undotted letters, highest
      2. ratio letters with descenders to those without, highest
      3. ratio letters with ascenders to those without, highest
      4. consecutive dotted letters, most

Letter Appearance


Entire Word


spelled with short lowercase letters = acemnorsuvwxz, longest [L155]
        common word: uncommonnesses (14)
        uncommon words: curvaceousnesses, nonerroneousness, overnumerousness (16-t)
        phrase: on cross, o cross, a cross (19)
spelled with tall lowercase letters = bdfghijklpqty, longest [6-188,12-216]
        common words: highlight, hillbilly (9-t)
        uncommon word: hightytighty (12)
        hyphenated word: tit-tit-tit-tit-tit (15)
spelled with letters with descenders = gjpqy, longest
        common words: g, j, p, q, y (1-t)
        uncommon word: gyppy (5)
spelled with letters with ascenders = bdfhijklt, longest
        common words: lilith, tidbit, titbit (6-t)
        uncommon words: hidihhidih, kilikkilik (10-t)
        hyphenated word: tit-tit-tit-tit-tit (15)
rotation or reflection symmetry [L27,1-39,4-92,144,11-177,237,14-221]
        a.  spelled with vertical symmetry letters = AHIMOTUVWXY, longest [12-109]
                common word: ayutthaya (9)
                uncommon word: hohohohohohoh (13)
                hyphenated word: tit-tit-tit-tit-tit (15)
                phrase: wo ho, wo ha, wo ho ho, wo ha ho (20)
        b.  spelled with horizontal symmetry letters = BCDEHIKOX, longest [11-237,12-216]
                common word: okeechobee (10)
                uncommon word: hohohohohohoh (13)
                hyphenated word: heh-heh-heh-heh-heh-heh (18)
        c.  spelled with full-symmetry letters = HIOX, longest
                common words: hi, ho, oh, ox (2-t)
                uncommon word: hohohohohohoh (13)
        d.  catoptron (word which remains the same when it is reflected in a mirror), longest [4-92]
                i.  vertical catoptron, longest
                        common word: toot (4)
                        uncommon word: hohohohohohoh (13)
                        hyphenated word: tit-tit-tit-tit-tit (15)
        e.  upside-down word (word that remains the same when it is turned upside down) [14-221]
                i. longest lowercase
                        common words: dollop, palled, passed, sasses (6-t)
                        uncommon word: solosolos (9)
                ii.  longest uppercase
                        common word: swims (5)
                        uncommon word: hohohohohohoh (13)
        f.  upside-down word pair
                i. longest lowercase
                        common words: llamas & sewell (6)
                        uncommon words: pajamas & sewered (7-t)
                        uncommon words: salades & sapeles (7-t)
                        uncommon words: pappous & snodded (7-t)
                        uncommon words: alaqala & elebele (7-t)
                        uncommon words: pallads & spelled (7-t)
                        uncommon words: pallews & smalled (7-t)
                        ... and 4 others
                ii.  longest uppercase
                        common words: nos & son (3)
                        uncommon words: omoomo & owoowo (6-t)
                        uncommon words: simmis & siwwis (6-t)
                        uncommon words: mossom & wossow (6-t)
                iii.  pigpen-invertible word (word whose pigpen-cipher symbols, turned upside down, decode to another word), incl.
                    invertible word squares [24-103,25-190]
                        e.g. FIB <-> HAD, LIP <-> LAP (pigpen symbols turned upside down); FED inverts to itself
        g.  ambigram (lettering readable in another orientation) [TJ2-36,TJ3-87,TJ6-4,TJ6-31,TJ7-57]
                e.g. OXO reads the same upside down; the ambigram title lettering of Angels and Demons
        h.  rotational palindrome (text unchanged by a quarter turn) [42-97]
                e.g. with N <-> Z under a quarter turn: X ZO ON OZ NO X ON ZO NO OZ X
        i.  symmetry-class pattern (one letter from each symmetry class) [40-187]
                e.g. GIVEN, CLOYS, SMILE: one letter each with no, all, left-right, up-down, rotational symmetry
unusual punctuation [19-67]
        a.  most hyphens in one dictionary entry [11-177,11-214]
                e.g. john-go-to-bed-at-noon, kiss-me-over-the-garden-gate (5 hyphens each, Webster's Third)
        b.  digits and other non-letter characters in dictionary entries, for each digit [4-152,5-57]
                e.g. Webster's Third: 606 and 1080 (digits only); A2-HORIZON, URANIUM 235, 20/20
straight-line or curved word (spelled with capitals of straight strokes only, AEFHIKLMNTVWXYZ, or curved only), longest [32-133,32-256,34-292,36-3,36-137,37-125,38-233,40-66,41-310,WW52.2-46]
        e.g. METHYLHEXANEAMINE (17, straight strokes only); COUSCOUS, COUSCOUSSOU (curves only)
diagonal-stroke word (spelled with AKMNVWXYZ), longest [38-36]
        e.g. Nakayama (8); zyzzyva, anyway, manana (all diagonal-stroke letters)
Euler-path word (every letter drawable in one stroke), longest [37-280]
        e.g. DISILLUSIONING, SOLILOQUIZING
same in both cases (spelled with cosuvwxz), longest [38-218]
        common words: cows & vows & zoos
same headshot or footprint (words whose letter tops, or letter bottoms, look identical) [38-240,38-308]
        e.g. FEAR & PEAR, REEL & KEEL same footprint; PEST & REST same headshot; BEAD & DEAD both
alternating letter heights (letters alternate with ascenders or descenders), longest [32-278]
        e.g. LUTEINIZING, SINICIZING (ascenders alternate with body letters); trimyristate (12)
narrowest word in print, for each length [41-20]

letter length (total stroke length in an idealized font), longest and shortest [39-37]
        e.g. idealized stroke lengths, e.g. I = 2.00, O = 6.28 (a circle of diameter 2)
stroke count (letters valued by pen strokes) [20-173,32-141,TJ1-9]
        e.g. capitals valued by pen strokes, e.g. L = 2, T = 2, H = 3, E = 4, so TELL = 10
calculator word (number that reads as a word on an upside-down calculator), longest [7-142,34-16,43-254,45-22]
        e.g. 37818 = BIBLE (read upside down)
interlingual homoglyph (letter string that reads as a word in two scripts) [8-204,10-23,46-165,244,WW52.4-39]
        e.g. Russian HET (net, 'no') and PECTOPAH (restoran) also read as Latin-letter strings
rn/m confusion pair (words alike in print because rn resembles m) [33-270]
        e.g. modern/modem, corners/comers, cornet/comet, stern/stem, turn/tum
internally capitalized word (capital letter inside a word), for each letter [5-72,5-204]
        e.g. Tir na nOg, TelAutograph, RaMBaM, DeYoung
kamchatka word (spelled only with capitals shared by the Latin and Cyrillic alphabets: ABCEHKMOPTXY), longest [48-215]
        e.g. kamchatka, mammoth, catacomb (all letters from ABCEHKMOPTXY)
typographic wordplay (word or text drawn to show its meaning) [TJ1-66,TJ3-10,TJ6-5,IN3-57]
        e.g. S P A C E (letters spaced out); ELEVATOR written climbing upward
        a.  qwaint (self-illustrating misspelling: a word spelled so as to show its own meaning) [22-123]
                e.g. greeed; dsylexia; sp ce; shorthnd; mi££ionaire

Subset of Word


ratio dotted to undotted letters, highest [1-169,23-153]
        common words: jib, jig (0.66-t)
        uncommon words: ijaji, ijdji, jilij, jipij, ujiji (0.8-t)
ratio letters with descenders to those without, highest
        common words: guppy, gypsy, jaggy, pappy, peppy, piggy, poppy, puppy, pygmy (0.8-t)
ratio letters with ascenders to those without, highest
        common words: hillbilly, killifish (0.88-t)
        uncommon words: khalkidhiki, khalkidiki, filthiffed, filthified, tittifills (0.9-t)
consecutive dotted letters, most [41-310]
        e.g. HIJINX, BEIJING (i, j, i: three dots in a row)


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