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There are 17 twelve-letter words containing E, I, N, 3O, P and S

CONIDIOSPOREconidiospore n. (Biology) A unicellular spore produced asexually by a fungus.
CONIDIOSPORE n. a conidium.
COOPERATIONScooperations n. Plural of cooperation.
coöperations n. Plural of coöperation.
COOPERATION n. the action of cooperating.
IONOPHORESESIONOPHORESIS n. the migration of charged particles, e.g. of a drug, into body tissue.
IONOPHORESISionophoresis n. The movement of charged particles in an electric field.
ionophoresis n. Misspelling of iontophoresis.
IONOPHORESIS n. the migration of charged particles, e.g. of a drug, into body tissue.
MONOPOLISERSmonopolisers n. Plural of monopoliser.
MONOPOLISER n. one who monopolises, also MONOPOLIZER.
MONOPOLIZERSmonopolizers n. Plural of monopolizer.
MONOPOLIZER n. one who monopolizes, also MONOPOLISER.
OLIGOPSONIESoligopsonies n. Plural of oligopsony.
OLIGOPSONY n. a market situation in which each of a few buyers exerts a disproportionate influence on the market.
PHOTOIONISEDphotoionised adj. Alternative spelling of photoionized.
PHOTOIONISE v. to ionize by electromagnetic radiation, also PHOTOIONIZE.
PHOTOIONISESPHOTOIONISE v. to ionize by electromagnetic radiation, also PHOTOIONIZE.
PHOTOIONIZESphotoionizes v. Third-person singular simple present indicative form of photoionize.
PHOTOIONIZE v. to ionize by electromagnetic radiation, also PHOTOIONISE.
PHOTOPHONIESPHOTOPHONY n. the art or practice of using the photophone.
PODOCONIOSESPODOCONIOSIS n. endemic elephantiasis of the lower legs.
POGONOTOMIESPOGONOTOMY n. shaving.
PONEROLOGIESPONEROLOGY n. the theological doctrine of wickedness or evil.
PROMONTORIESpromontories n. Plural of promontory.
PROMONTORY n. a high point of land or rock projecting into a body of water.
SIPHONOPHOREsiphonophore n. (Zoology) Any of various transparent marine hydrozoans, of the order Siphonophorae, that float or swim…
SIPHONOPHORE n. a marine creature, colonial in habit.
SPONGOLOGIESSPONGOLOGY n. the study of sponges.

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: 86 words
  • Scrabble in French: 33 words
  • Scrabble in Spanish: 40 words
  • Scrabble in Italian: 45 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 16 words


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