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There are 16 twelve-letter words containing H, I, L, 2O, P, R and Y

CHLORPYRIFOSchlorpyrifos n. A crystalline organophosphate insecticide that inhibits acetylcholinesterase.[diethoxy-sulfanylidene-(3,5,6-trichloropy…
HETEROPLOIDYheteroploidy n. (Genetics) The state of being heteroploid.
HETEROPLOIDY n. the state of being heteroploid.
HOMOPOLARITYHOMOPOLARITY n. the state of being homopolar.
HYDROPHILOUShydrophilous adj. (Biology) That grows or thrives in or near water.
hydrophilous adj. (Botany) That is pollinated by water.
HYDROPHILOUS adj. water-loving; pollinated by agency of water.
HYGROPHILOUShygrophilous adj. (Botany, of a plant) adapted for growth in a damp or wet environment.
HYGROPHILOUS adj. living in water or moist places, also HYGROPHIL.
HYLOMORPHISMhylomorphism n. (Philosophy) The doctrine that every physical substance is the sum of its component matter and the form…
hylomorphism n. (Computer science) Composition of an anamorphism and a catamorphism.
HYLOMORPHISM n. the belief that matter is the cause of the universe.
HYPERBOLOIDShyperboloids n. Plural of hyperboloid.
HYPERBOLOID n. a solid figure in which some of the plane sections are hyperbolas.
HYPOCHLORITEhypochlorite n. (Chemistry) any salt of hypochlorous acid; used as a household bleach.
HYPOCHLORITE n. a salt of hypochlorous acid.
ORNITHOPHILYornithophily n. Pollination by birds.
ORNITHOPHILY n. pollination by birds.
POLICYHOLDERpolicyholder n. (Insurance) A person who holds an insurance policy, especially the person whose life is insured.
policy␣holder n. Alternative spelling of policyholder.
POLICYHOLDER n. the owner of an insurance policy.
POLYCHROISMSPOLYCHROISM n. the state of being polychroic.
POLYCHROMIESpolychromies n. Plural of polychromy.
POLYCHROMY n. the art or practice of combining different colors, esp. brilliant ones, in an artistic way.
POLYCHROMINGpolychroming v. Present participle of polychrome.
POLYCHROME v. to colour in many colours.
POLYHEDROSISpolyhedrosis n. Any of several diseases of insect larvae that are caused by the polyhedral viruses, family Baculoviridae.
POLYHEDROSIS n. an often fatal disease of certain insect larvae or decapod crustaceans, caused by viruses containing DNA.
POLYHISTORICpolyhistoric adj. Synonym of polyhistorical.
POLYHISTORIC adj. relating to polyhistory, great and varied learning.
POLYMORPHISMpolymorphism n. The ability to assume different forms or shapes.
polymorphism n. (Biology) The coexistence, in the same locality, of two or more distinct forms independent of sex, not…
polymorphism n. (Object-oriented programming) The feature pertaining to the dynamic treatment of data elements based…

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: 64 words
  • Scrabble in French: 6 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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