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There are 18 fifteen-letter words containing E, N, 3O, P and 2T

COOPERATIONISTSCOOPERATIONIST n. one who believes in cooperation.
ELECTROPORATIONelectroporation n. (Biotechnology) the creation of transient pores in the cell membrane, through the application of a high-voltage…
NONCOMPETITIONSNONCOMPETITION n. something that is not a competition.
NONEXPLOITATIONnonexploitation n. Absence of exploitation.
NONEXPLOITATION adj. not exploitation.
NONMETROPOLITANnonmetropolitan adj. Not metropolitan.
nonmetropolitan n. One who is not a metropolitan.
non-metropolitan adj. Alternative form of nonmetropolitan.
OPTOELECTRONICSoptoelectronics n. (Physics) The branch of physics that deals with the interaction of light with electronic devices, or…
OPTOELECTRONICS n. a branch of electronics that deals with electronic devices for emitting, modulating, transmitting, and sensing light.
OVERPROTECTIONSoverprotections n. Plural of overprotection.
OVERPROTECTION n. excessive protection.
PALAEONTOLOGISTpalaeontologist n. Alternative spelling of paleontologist.
palæontologist n. Alternative spelling of paleontologist.
PALAEONTOLOGIST n. a student of palaeontology, also PALEONTOLOGIST.
PALEONTOLOGISTSpaleontologists n. Plural of paleontologist.
PALEONTOLOGIST n. one who studies paleontology, also PALAEONTOLOGIST.
PHOTOCONDUCTIVEphotoconductive adj. Of, relating to, or characterized by photoconductivity.
PHOTOCONDUCTIVE adj. having, involving, or operating by photoconductivity.
PHOTOELECTRONICphotoelectronic adj. (Physics) Describing any electronic effect or device that is affected by light.
PHOTOELECTRONIC adj. relating to photoelectronics.
PHOTOEXCITATIONphotoexcitation n. (Chemistry) The formation of an excited state by the absorption of a photon.
PHOTOEXCITATION n. the process of exciting the atoms or molecules of a substance by the absorption of radiant energy.
PHOTORECEPTIONSphotoreceptions n. Plural of photoreception.
PHOTORECEPTION n. the perception of waves in the range of visible light.
PHOTOREDUCTIONSphotoreductions n. Plural of photoreduction.
PHOTOREDUCTION n. chemical reduction under the influence of radiant energy, as light.
PROPORTIONATELYproportionately adv. In a proportionate manner; with due proportion; proportionally.
PROPORTIONATE adv. in proportion.
PROPORTIONMENTSproportionments n. Plural of proportionment.
PROPORTIONMENT n. the act of proportioning.
RADIOPROTECTIONradioprotection n. Any form of protection against the harmful effects of ionizing radiation, especially caused by natural sources.
RADIOPROTECTION n. protection against the injurious effects of radiation.
UNPROPORTIONATEunproportionate adj. Not proportionate; disproportionate.
UNPROPORTIONATE adj. not proportionate.

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: 193 words
  • Scrabble in French: 31 words
  • Scrabble in Spanish: 9 words
  • Scrabble in Italian: 41 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 32 words


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