Q: What exceptional words contain other words?

A

longest non-trivial charade MEN-IN-GO-EN-CEP-HA-LO-MY-EL-IT-IS-ES (26)

longest forward and reverse charade

MAT-HE-MA-TI-CAL, LAC-IT-AM-EH-TAM (12)

longest snowball or rhopalic A-DE-NOA-CANT-HOMAS I-NS-TAN-TANE-ITIES

O-VE-REL-ABOR-ATING O-VE-REM-BELL-ISHES (15)

longest reverse rhopalic HETERO-TRANS-PLAN-TAT-IO-N

STEREO-PHOTO-GRAM-MET-RI-C (21)

longest linkade or word chain

2-letter words CODETERMINATIONS REDETERMINATIONS (16) 3-letter words CHICHIPATES COOPERATING COOPERATORS GRANULATING

GRANULATORS HOOPERATING METABORATES PROTONATING TARAHUMARAS TARAHUMARES (11)

4-letter words ADAMANTS ANANASES BRAKINGS CHAMISES COPALITE ECHOLESS

EPICALLY ETCHINGS FLANERIE FRAMINGS GAMELANG GAMELANS ITCHINGS KAMASINS MALARIAL MALARIAS PARAKEET PLANESES PREPOSES PRIMUSES PROPENDS PROPENSE (8)

5-letter words COMANITOS TRAVERSES (9)

longest charlinkade FORESTALL: FOREST, ALL; FORE, REST, TALL (9) longest alternade CARPETWEEDS: CREWES, APTED CURTAINLESS: CRANES, UTILS

TRIENNIALLY: TINILY, RENAL (11)

shortest three-letter-minimum word deletions

PILGRIMAGE: RIM, GAG, PILE; GRIM, LAG, PIE

highest ratio of subwords/length (logogram)

WAGONERS: WAGONERS, WAGONER, WAGON, WAG, WA, W, AGONE, AGON, AGO, AG, A,

GONERS, GONER, GONE, GON, GO, G, ONERS, ONER, ONE, ON, O, NE, N, ERS, ER, E, RS, R, S (30/8)

including reversed subwords (bi-logogram)

DENOTATES: DENOTATES, DENOTATE, ATONED, TONED, ONED, DEN, DE, D,

ATONE, TONE, ONE, EN, E, NOTATES, NOTATE, NOTA, NOT, NO, N, OTATES, OTATE, ATO, TO, O, TATES, TATE, TAT, TA, T, ATES, ATE, AT, A, TES, TE, ES, S (37/9)

**** Unless noted otherwise, all words occur in Webster's Third New International Dictionary, Merriam-Webster, Springfield, MA, 1961.

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