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There are 18 thirteen-letter words containing E, L, 2N, 2O, P and S

AEROPLANKTONSAEROPLANKTON n. minute organisms carried in the air.
COMPANIONLESScompanionless adj. Without a companion; friendless, alone.
COMPANIONLESS adj. without a companion.
INCOMPLETIONSincompletions n. Plural of incompletion.
INCOMPLETION n. lack of completeness.
MELANOTROPINSmelanotropins n. Plural of melanotropin.
MELANOTROPIN n. a hormone secreted by the pituitary gland which stimulates the production of melanin by melanocytes.
MEROPLANKTONSmeroplanktons n. Plural of meroplankton.
MEROPLANKTON n. plankton consisting of certain larvae that do not spend all their life as plankton.
MONODELPHIANSmonodelphians n. Plural of monodelphian.
MONODELPHIAN n. any placental mammal that is a member of the group Monodelphi.
NONEXPLOSIVESSorry, definition not available.
NONPETROLEUMSSorry, definition not available.
NONPURPOSEFULnonpurposeful adj. Not purposeful.
PHILODENDRONSphilodendrons n. Plural of philodendron.
PHILODENDRON n. any of various aroid plants cultivated for their showy foliage.
PLASTOQUINONEplastoquinone n. (Biochemistry) a quinone, related to the carotenoids, involved in the electron transport process of photosynthesis.
PLASTOQUINONE n. a plant substance that is related to vitamin K and plays a role in photosynthetic phosphorylation.
POLYSYNDETONSpolysyndetons n. Plural of polysyndeton.
POLYSYNDETON n. the rhetorical device of repeating a conjunction for emphasis, as in 'it was red and yellow and pink and orange and blue!'.
PREDNISOLONESprednisolones n. Plural of prednisolone.
PREDNISOLONE n. a drug similar to cortisone, used as an anti-inflammatory, also PREDNISONE.
PREGNENOLONESpregnenolones n. Plural of pregnenolone.
PREGNENOLONE n. a steroid ketone formed by the oxidation of steroids and yielding progesterone on dehydrogenation.
PRONOMINALISEPRONOMINALISE v. to make into or treat as a pronoun, also PRONOMINALIZE.
SCOLOPENDRINEscolopendrine adj. (Zoology) Like or pertaining to the Scolopendra.
SCOLOPENDRINE adj. like a centipede of the family Scolopendridae.
SPONTANEOUSLYspontaneously adv. In a spontaneous manner; naturally; voluntarily.
SPONTANEOUS adv. acting by its own impulse or natural law.
SPOROPOLLENINsporopollenin n. (Botany) A combination of biopolymers, observed in the exine layer of the spore and pollen wall.
SPOROPOLLENIN n. a polymer that comprises the exine (outer layer of the wall) of spores and pollen grains.

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: 115 words
  • Scrabble in French: 58 words
  • Scrabble in Spanish: 19 words
  • Scrabble in Italian: 31 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 13 words


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