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There are 18 fifteen-letter words containing E, L, 3O, P, R and T

APOLIPOPROTEINSapolipoproteins n. Plural of apolipoprotein.
APOLIPOPROTEIN n. a protein that combines with a lipid to form a lipoprotein.
CHEMOLITHOTROPHchemolithotroph n. Chemoautotroph.
CHEMOLITHOTROPH n. a bacterium that obtains its energy from inorganic compounds containing iron, nitrogen, or sulfur, and not from living on decaying organisms.
COUNTERPROPOSALcounterproposal n. A proposal made as an alternative to another, earlier proposal.
counter-proposal n. Alternative form of counterproposal.
COUNTERPROPOSAL n. a return proposal made by one who has rejected a proposal.
CRYPTOZOOLOGIESCRYPTOZOOLOGY n. the study of and search for animals and esp. legendary animals.
ELECTROPORATIONelectroporation n. (Biotechnology) the creation of transient pores in the cell membrane, through the application of a high-voltage…
FLUOROPHOSPHATEfluorophosphate n. (Inorganic chemistry) The anion PO3F2- formed by replacing one hydroxyl of a phosphate anion with a…
fluorophosphate n. (Organic chemistry) The functional group >PO3F formed by replacing one hydroxyl of a phosphate group…
FLUOROPHOSPHATE n. a mineral compound of fluorine and phosphorus.
GEOMORPHOLOGISTgeomorphologist n. A geologist whose speciality is geomorphology.
GEOMORPHOLOGIST n. one who studies geomorphology.
LEPIDOPTEROLOGYlepidopterology n. (Biology, zoology, entomology) The scientific study of butterflies and moths (the Lepidoptera).
lepidopterology n. Lepidoptery, (the hobby of butterfly collecting).
LEPIDOPTEROLOGY n. the study of butterflies and moths.
MONOPROPELLANTSmonopropellants n. Plural of monopropellant.
MONOPROPELLANT n. a rocket propellant containing both the fuel and the oxidizer in a single substance.
NEUROPATHOLOGICneuropathologic adj. Of or pertaining to neuropathology.
NEUROPATHOLOGIC adj. relating to neuropathology.
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.
ORNITHODELPHOUSORNITHODELPHOUS adj. of or like the Ornithodelphia, monotremes, also ORNITHODELPHIAN, ORNITHODELPHIC.
OVERPOPULATIONSoverpopulations n. Plural of overpopulation.
OVERPOPULATION n. population so dense as to cause environmental deterioration.
PHOTOELECTRODESphotoelectrodes n. Plural of photoelectrode.
PHOTOELECTRODE n. an electrode which can exhibit photoelectricity.
PHOTOELECTRONICphotoelectronic adj. (Physics) Describing any electronic effect or device that is affected by light.
PHOTOELECTRONIC adj. relating to photoelectronics.
PROPORTIONATELYproportionately adv. In a proportionate manner; with due proportion; proportionally.
PROPORTIONATE adv. in proportion.
SPIRONOLACTONESspironolactones n. Plural of spironolactone.
SPIRONOLACTONE n. a synthetic corticosteroid drug used in the treatment of hypertension and as a diuretic.

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: 253 words
  • Scrabble in French: 28 words
  • Scrabble in Spanish: 25 words
  • Scrabble in Italian: 52 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 247 words


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