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There are 7 twelve-letter words containing A, E, H, K, O, 2R and T

BREAKTHROUGHbreakthrough adj. Characterized by major progress or overcoming some obstacle.
breakthrough adj. (Immunology) Involving the contraction of a disease by a person with a decreased susceptibility, such…
breakthrough adj. (Medicine) The emergence or one or more symptoms of a condition despite medication or other medical treatment.
HALTERBROKENhalterbroken v. Past participle of halterbreak.
HALTERBREAK v. to break (as a colt) to a halter.
HETEROKARYONheterokaryon n. (Biology) A cell having two or more genetically different nuclei.
HETEROKARYON n. a cell, as in the mycelium of a fungus, that contains two or more genetically unlike nuclei.
KATHAROMETERkatharometer n. (Sciences) A device used for analyzing gas mixtures by measuring their thermal conductivity.
KATHAROMETER n. an instrument measuring changes in composition of gases.
KERATOPHYRESkeratophyres n. Plural of keratophyre.
KERATOPHYRE n. a fine-grained soda trachyte.
LEATHERWORKSleatherworks n. A factory that manufactures leatherwork.
LEATHERWORK n. work in leather.
WORKWATCHERSWORKWATCHER n. in horse-racing, a tout.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the WikWik.org and 1Word.ws.

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See this list for:

  • English Wiktionary: 37 words
  • Scrabble in French: no word
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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