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List of 13-letter words containing

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There are 19 thirteen-letter words containing K, 2O, R and T

AEROPLANKTONSAEROPLANKTON n. minute organisms carried in the air.
ARRHENOTOKIESARRHENOTOKY n. giving birth only to boys.
COCKTHROWINGScock␣throwings n. Plural of cock throwing.
COCKTHROWING n. the old sport of throwing sticks at a cock.
COMSTOCKERIESCOMSTOCKERY n. overzealous censorship of material considered obscene, also COMSTOCKISM.
COUNTERSTROKEcounterstroke n. A blow given in return.
counterstroke n. A retaliation.
COUNTERSTROKE n. a stroke in return.
COUNTERWORKEDcounterworked v. Simple past tense and past participle of counterwork.
COUNTERWORK v. to work in opposition to.
COUNTERWORKERcounterworker n. (Rare) One who works at a counter.
counterworker n. (Rare) One who works against something; a saboteur.
COUNTERWORKER n. one who does counterwork.
CRYOPLANKTONSCRYOPLANKTON n. minute organisms, esp. algae, living in ice, snow, or icy water.
DEUTEROTOKIESDEUTEROTOKY n. parthenogenesis in which both males and females are produced.
ELECTROSHOCKSelectroshocks n. Plural of electroshock.
electroshocks v. Third-person singular simple present indicative form of electroshock.
ELECTROSHOCK n. an electric shock.
FORETOKENINGSforetokenings n. Plural of foretokening.
FORETOKENING n. the act of foretokening.
HETEROKARYONSheterokaryons n. Plural of heterokaryon.
HETEROKARYON n. a cell, as in the mycelium of a fungus, that contains two or more genetically unlike nuclei.
MEROPLANKTONSmeroplanktons n. Plural of meroplankton.
MEROPLANKTON n. plankton consisting of certain larvae that do not spend all their life as plankton.
MICROPLANKTONmicroplankton n. Microscopic zooplankton.
MICROPLANKTON n. very small plankton.
ORTHOPINAKOIDORTHOPINAKOID n. in monoclinic crystals, a form consisting of two faces parallel to the orthodiagonal and the vertical axis.
POIKILOTHERMSpoikilotherms n. Plural of poikilotherm.
POIKILOTHERM n. an organism that takes on the temperature of its surroundings.
POIKILOTHERMYpoikilothermy n. (Biology) The quality of having a body temperature that varies or fluctuates, depending on the temperature…
POIKILOTHERMY n. the state of being cold-blooded, also POIKILOTHERMISM.
STOCKBROKINGSSTOCKBROKING n. the business of a stockbroker.
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: 350 words
  • Scrabble in French: 18 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: 9 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 7 words


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