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List of 13-letter words containing

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There are 4 thirteen-letter words containing K, M, 2O, R, S and T

COMSTOCKERIESCOMSTOCKERY n. overzealous censorship of material considered obscene, also COMSTOCKISM.
MEROPLANKTONSmeroplanktons n. Plural of meroplankton.
MEROPLANKTON n. plankton consisting of certain larvae that do not spend all their life as plankton.
POIKILOTHERMSpoikilotherms n. Plural of poikilotherm.
POIKILOTHERM n. an organism that takes on the temperature of its surroundings.
THROMBOKINASEthrombokinase n. (Biochemistry) A proteolytic enzyme that converts prothrombin into thrombin during the clotting of blood.
THROMBOKINASE n. an enzyme active in the clotting of blood, aka thromboplastin.

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 1Word.ws and WikWik.org.

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See this list for:

  • English Wiktionary: 42 words
  • Scrabble in French: 3 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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