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List of 12-letter words containing

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There are 10 twelve-letter words containing A, E, K, 2N, O and R

AEROPLANKTONaeroplankton n. The tiny lifeforms that float and drift in the air, carried by the current of the wind.
AEROPLANKTON n. minute organisms carried in the air.
CANTANKEROUScantankerous adj. Given to or marked by an ill-tempered, quarrelsome nature; ill-tempered, cranky, crabby.
CANTANKEROUS adj. difficult or irritating to deal with.
ENTEROKINASEenterokinase n. (Biochemistry) An enzyme, secreted by the upper intestinal mucosa, that catalyzes the activation of…
ENTEROKINASE n. an enzyme esp. of the duodenal mucosa that activates trypsinogen by converting it to trypsin.
FORSAKENNESSforsakenness n. The state or condition of being forsaken.
FORSAKENNESS n. the state of being forsaken.
HETEROKONTANheterokontan adj. Belonging to the heterokonts.
HETEROKONTAN adj. of or like a heterokont, a kind of yellow-green alga.
KNEEBOARDINGkneeboarding v. Present participle of kneeboard.
KNEEBOARD v. to ride a kind of short surfboard ridden in a kneeling position.
MEROPLANKTONmeroplankton n. (Biology) Any organism that spends part of its life-cycle (especially the larval stage) as plankton.
MEROPLANKTON n. plankton consisting of certain larvae that do not spend all their life as plankton.
NOMENKLATURAnomenklatura n. (Now historical) A list of bureaucratic posts in government and industry in the former Soviet Union…
nomenklatura n. The people on such lists; (by extension), any privileged class, a social or political elite.
NOMENKLATURA n. (Russian) officeholders and managers in a communist regime.
NONBREAKABLEnonbreakable adj. Not easily broken.
nonbreakable n. (Chiefly in the plural) Something that cannot be easily broken.
NONBREAKABLE adj. not breakable.
UNRECKONABLEunreckonable adj. That cannot be reckoned; uncountable, innumerable.
UNRECKONABLE adj. that cannot be reckoned.

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: 126 words
  • Scrabble in French: 17 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: 5 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 2 words


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