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List of 13-letter words containing

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There are 4 thirteen-letter words containing A, K, 2O and Y

CRYOPLANKTONSCRYOPLANKTON n. minute organisms, esp. algae, living in ice, snow, or icy water.
GLYCOALKALOIDglycoalkaloid n. (Organic chemistry) Any of a class of alkaloid glycosides, most of which are poisonous.
HETEROKARYONSheterokaryons n. Plural of heterokaryon.
HETEROKARYON n. a cell, as in the mycelium of a fungus, that contains two or more genetically unlike nuclei.
PHYTOPLANKTONphytoplankton n. Plankton, especially those small in size, that obtain energy by photosynthesis.
PHYTOPLANKTON n. vegetable plankton, that includes diatoms, desmids, and dinoflagellates.

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: 113 words
  • Scrabble in French: 1 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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