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There are 18 twelve-letter words containing H, 2L, 2O, P and Y

CHLOROPHYLLSchlorophylls n. Plural of chlorophyll.
CHLOROPHYLL n. the green colouring in plants concerned with the production of sugars, also CHLOROPHYL.
ENDOPHYLLOUSendophyllous adj. (Botany) Wrapped in a leaf or sheath.
ENDOPHYLLOUS adj. being or formed within a sheathing leaf; living inside a leaf.
GAMOPHYLLOUSgamophyllous adj. (Botany) Composed of leaves or segments (e.g. perianth) united by their edges, compare apophyllous (free segments).
GAMOPHYLLOUS adj. with perianth leaves united.
HYPNOLOGICALhypnological adj. Relating to hypnology.
HYPNOLOGICAL adj. relating to hypnology, the study of sleep or hypnosis, also HYPNOLOGIC.
HYPOGLOSSALShypoglossals n. Plural of hypoglossal.
HYPOGLOSSAL n. the hypoglossal nerve.
MESOPHYLLOUSmesophyllous adj. (Botany) Of moist habitats and having mostly large and soft leaves.
mesophyllous adj. (Botany) Relating to the mesophyllum.
MESOPHYLLOUS adj. of or like a mesophyll, also MESOPHYLLIC.
MONOPHYLLOUSmonophyllous adj. (Botany) Having a single leaf, or a leaf consisting of only one piece.
MONOPHYLLOUS adj. having or consisting of only one leaf or leaflike part.
PHOTOLYSABLEphotolysable adj. Capable of photolysis.
PHOTOLYSABLE adj. capable of being photolysed, also PHOTOLYZABLE.
PHOTOLYZABLEphotolyzable adj. Alternative form of photolysable.
PHOTOLYZABLE adj. capable of being photolyzed, also PHOTOLYSABLE.
PHYCOLOGICALphycological adj. Of or pertaining to the scientific study of algae.
PHYCOLOGICAL adj. relating to phycology, the study of algae.
PHYTOLOGICALphytological adj. Of or relating to phytology.
PHYTOLOGICAL adj. relating to phytology, botany.
PODOPHYLLINSpodophyllins n. Plural of podophyllin.
PODOPHYLLIN n. a cathartic resin obtained from the rhizomes of the Podophyllum genus, also PODOPHYLIN.
PODOPHYLLUMSpodophyllums n. Plural of podophyllum.
PODOPHYLLUM n. the dried rootlet and rhizome of the mayapple, used as a caustic.
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.
POLYALCOHOLSpolyalcohols n. Plural of polyalcohol.
POLYALCOHOL n. an alcohol that contains more than one hydroxyl group.
POLYPHENOLICpolyphenolic adj. Of, or relating to the polyphenols.
polyphenolic n. A polyphenol, or derivative.
POLYPHENOLIC adj. of or like polyphenol.
POLYPHYLLOUSpolyphyllous adj. (Botany) Having many leaves (or flowers).
POLYPHYLLOUS adj. having the perianth leaves free.
TYPHLOLOGIESTYPHLOLOGY n. the study of blindness and the blind.

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: 92 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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