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There are 16 twelve-letter words containing E, N, 3O, P, S and T

COLEOPTERONSCOLEOPTERON n. a large order of insects having the front wings modified as hard wing-cases, and comprising the beetles and weevils, also COLEOPTERAN.
COOPERATIONScooperations n. Plural of cooperation.
coöperations n. Plural of coöperation.
COOPERATION n. the action of cooperating.
MONOPETALOUSmonopetalous adj. (Botany) Having only one petal, or the corolla in one piece, or composed of petals cohering so as to…
MONOPETALOUS adj. having petals united.
MONOPTEROSESMONOPTEROS n. a building with single ring of columns supporting a roof.
MONOSTROPHESmonostrophes n. Plural of monostrophe.
MONOSTROPHE n. a poem in which all the stanzas or strophes are written in the same metre.
ODONTOPHORESodontophores n. Plural of odontophore.
ODONTOPHORE n. the rasping apparatus in molluscs.
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.
PHOTOSENSORSphotosensors n. Plural of photosensor.
PHOTOSENSOR n. a detector that is sensitive to electromagnetic radiation.
PHOTOTONUSESPHOTOTONUS n. the sensitivity of a living organism to light.
POGONOTOMIESPOGONOTOMY n. shaving.
POTAMOGETONSpotamogetons n. Plural of potamogeton.
POTAMOGETON n. a plant of the pondweed genus of water plants, with floating and submerged leaves.
PROMONTORIESpromontories n. Plural of promontory.
PROMONTORY n. a high point of land or rock projecting into a body of water.
SPERMATOZOONspermatozoon n. (Cytology) A reproductive cell or gamete of a male, carried in semen, that fertilizes an ovum to produce a zygote.
spermatozoön n. Alternative spelling of spermatozoon.
SPERMATOZOON n. a male sexual cell, which fertilises the egg, also SPERMATOZOAN.

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: 104 words
  • Scrabble in French: 27 words
  • Scrabble in Spanish: 26 words
  • Scrabble in Italian: 33 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 11 words


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