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List of 12-letter words containing

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There are 10 twelve-letter words containing A, H, K and 2O

AKOLOUTHOSESAKOLOUTHOS n. (historical) the head of the Varangian guard of the Byzantine emperors, also ACOLOUTHOS, AKOLUTHOS.
GOOGLEWHACKSgooglewhacks n. Plural of googlewhack.
GOOGLEWHACK n. an Internet search that produces one hit only.
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.
HETEROKONTANheterokontan adj. Belonging to the heterokonts.
HETEROKONTAN adj. of or like a heterokont, a kind of yellow-green alga.
HOLOPLANKTONholoplankton n. (Biology) Any organism that spends all of its life-cycle as plankton.
HOLOPLANKTON n. organisms which remain as plankton throughout their whole life cycle.
KALEIDOPHONEkaleidophone n. (Obsolete, physics) A device, consisting of a reflective ball attached to a vibrating rod or plate…
KALEIDOPHONE n. an instrument for demonstrating sound waves by lines of light.
KATABOTHRONSKATABOTHRON n. (Modern Greek) an underground water channel, also KATAVOTHRON.
KATAVOTHRONSKATAVOTHRON n. (Modern Greek) an underground water channel, also KATABOTHRON.
KWASHIORKORSkwashiorkors n. Plural of kwashiorkor.
KWASHIORKOR n. a tropical disease of infants caused by protein deficiency.
WORKAHOLISMSWORKAHOLISM n. excessive industry.

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: 189 words
  • Scrabble in French: 5 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: 1 word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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