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There are 17 fifteen-letter words containing 2H, L, 2O, P, R and S

CEPHALOTHORACEScephalothoraces n. Plural of cephalothorax.
CEPHALOTHORAX n. the body, or head with thorax, of spiders, crustaceans, etc.
CEPHALOTHORAXEScephalothoraxes n. Plural of cephalothorax.
CEPHALOTHORAX n. the body, or head with thorax, of spiders, crustaceans, etc.
DEPHOSPHORYLATEdephosphorylate v. To cause, or undergo dephosphorylation.
DEPHOSPHORYLATE v. to remove phosphate groups from an organic compounds.
EDRIOPHTHALMOUSedriophthalmous adj. (Zoology) Pertaining to the Edriophthalma, a former classification of peracarids.
EDRIOPHTHALMOUS adj. of crustaceans, with stalkless eyes, also EDRIOPHTHALMIAN, EDRIOPHTHALMIC.
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.
HOUSEHOLDERSHIPhouseholdership n. The position or role of a householder.
HOUSEHOLDERSHIP n. the office of householder.
HYDROSULPHUROUSHYDROSULPHUROUS adj. as in hydrosulphurous acid.
NONPHILOSOPHERSnonphilosophers n. Plural of nonphilosopher.
NONPHILOSOPHER n. someone who is not a philosopher.
OPHTHALMOMETERSophthalmometers n. Plural of ophthalmometer.
OPHTHALMOMETER n. an instrument for measuring the eye.
ORNITHODELPHOUSORNITHODELPHOUS adj. of or like the Ornithodelphia, monotremes, also ORNITHODELPHIAN, ORNITHODELPHIC.
PHILANTHROPOIDSphilanthropoids n. Plural of philanthropoid.
PHILANTHROPOID n. a person who works for a philanthropic organization.
PHILOSOPHASTERSphilosophasters n. Plural of philosophaster.
PHILOSOPHASTER n. an amateur or superficial philosopher.
PHOSPHORYLATINGphosphorylating v. Present participle of phosphorylate.
phosphorylating adj. That phosphorylates.
PHOSPHORYLATE v. to cause (an organic compound) to take up or combine with phosphoric acid or a phosphorus-containing group.
PHOSPHORYLATIONphosphorylation n. (Biochemistry) the process of transferring a phosphate group from a donor to an acceptor; often catalysed by enzymes.
PHOSPHORYLATION n. the process of phosphorylating a chemical compound.
PHOSPHORYLATIVEphosphorylative adj. Relating to phosphorylation.
PHOSPHORYLATIVE adj. of or like phosphorylate.
PHOTOTELEGRAPHSphototelegraphs n. Plural of phototelegraph.
PHOTOTELEGRAPH n. an instrument for transmitting drawings telegraphically.
TELEPHOTOGRAPHStelephotographs n. Plural of telephotograph.
TELEPHOTOGRAPH n. a photograph of a distant object taken by a suitable lens.

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: 120 words
  • Scrabble in French: 19 words
  • Scrabble in Spanish: 1 word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: 1 word


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