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There are 13 fifteen-letter words containing 3H, O and P

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.
HERNIORRHAPHIESherniorrhaphies n. Plural of herniorrhaphy.
HERNIORRHAPHY n. the surgical repair of a hernia by an operation involving suturing.
HEXACHLOROPHANEHEXACHLOROPHANE n. a bactericide used in antiseptic soaps, deodorants etc., also HEXACHLOROPHENE.
HEXACHLOROPHENEhexachlorophene n. (Organic chemistry) A polyhalogenated compound, 2,2’-methylenebis(3,4,6-trichlorophenol)-3,4,6-trichloro-2-[(2,3,5-tric…
HEXACHLOROPHENE n. a bactericide used in antiseptic soaps, deodorants etc., also HEXACHLOROPHANE.
HOUSEHOLDERSHIPhouseholdership n. The position or role of a householder.
HOUSEHOLDERSHIP n. the office of householder.
HYPOPHOSPHOROUShypophosphorous adj. (Chemistry) Of or pertaining to hypophosphorous acid or its derivatives.
HYPOPHOSPHOROUS adj. as in hypophosphorous acid, a monobasic acid and a reducing agent.
ICHTHYOPHAGISTSichthyophagists n. Plural of ichthyophagist.
ICHTHYOPHAGIST n. one who eats fish.
OPHTHALMOPHOBIAOPHTHALMOPHOBIA n. a morbid fear of being stared at.
ORTHOPHOSPHATESorthophosphates n. Plural of orthophosphate.
ORTHOPHOSPHATE n. a salt or ester of orthophosphoric acid.
ORTHOPHOSPHORICorthophosphoric adj. (Chemistry) Describing the ordinary form of phosphoric acid and its derivatives.
ORTHOPHOSPHORIC adj. phosphoric.
PHENOLPHTHALEINphenolphthalein n. (Chemistry, pharmacology) A white or yellowish-white crystalline compound C20H14O4 used in medicine…
phenol␣phthalein n. (Chemistry) A white or yellowish-white crystalline substance made from phthalic acid and phenol. Its…
PHENOLPHTHALEIN n. a crystalline compound used as an indicator.
PHOTOLITHOGRAPHphotolithograph n. A lithograph made by photolithography.
photolithograph v. To produce (a picture or copy) by the process of photolithography.
PHOTOLITHOGRAPH n. a plate produced by photolithography.
STAPHYLORRHAPHYstaphylorrhaphy n. The operation of uniting a cleft palate by paring and bringing together the edges of the cleft.
STAPHYLORRHAPHY n. the operation of uniting a cleft palate.

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: 104 words
  • Scrabble in French: 5 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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