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List of 12-letter words containing

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There are 20 twelve-letter words containing A, K, O, 2R and T

BACKSTROKERSbackstrokers n. Plural of backstroker.
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.
BREASTSTROKEbreaststroke n. A swimming stroke in which the swimmer lies face down, the arms being swept forward, outward and back…
breaststroke v. To swim using this stroke.
BREASTSTROKE n. a swimming-stroke performed breast-down, with circling movements of the arms and a froglike movement of the legs.
COUNTERMARKScountermarks n. Plural of countermark.
COUNTERMARK n. an additional mark put on a bale of goods belonging to several merchants, so that it may not be opened except in the presence of all the owners.
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.
KERATOMETERSkeratometers n. Plural of keratometer.
KERATOMETER n. an instrument for measuring curvature of the cornea.
KERATOPHYRESkeratophyres n. Plural of keratophyre.
KERATOPHYRE n. a fine-grained soda trachyte.
LEATHERWORKSleatherworks n. A factory that manufactures leatherwork.
LEATHERWORK n. work in leather.
MASTERSTROKEmasterstroke n. An action which demonstrates great skill or artistry.
master␣stroke n. Alternative form of masterstroke.
MASTERSTROKE n. a masterly performance or move.
METALWORKERSmetalworkers n. Plural of metalworker.
METALWORKER n. one who works in metal.
PERESTROIKASperestroikas n. Plural of perestroika.
PERESTROIKA n. (Russian) the period of reconstruction in Russia under Mikhail Gorbachev.
PLASTERWORKSplasterworks n. Plural of plasterwork.
PLASTERWORK n. plastering, often ornate in design, used to finish architectural constructions.
SKATEBOARDERskateboarder n. A person who rides a skateboard.
SKATEBOARDER n. one who skateboards.
SPATTERWORKSSPATTERWORK n. reproduction of designs by covering the surface with the pattern and spattering colour on the parts exposed.
STONEBREAKERstonebreaker n. A machine for crushing or hammering stone.
STONEBREAKER n. a person that breaks up stone; a machine used to break up stone.
STRATOTANKERSTRATOTANKER n. a type of aeroplane which refuels other planes at high altitudes.
TROUBLEMAKERtroublemaker n. One who causes trouble, especially one who does so deliberately.
troublemaker n. A complainer.
trouble-maker n. Alternative spelling of troublemaker.
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: 221 words
  • Scrabble in French: 11 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: 2 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 5 words


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