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There are 12 fifteen-letter words containing H, N, 2O, 2P, T and Y

ANTHROPOPSYCHICANTHROPOPSYCHIC adj. ascribing to nature or God of a soul or mind like man's.
ANTIPORNOGRAPHYantipornography adj. Opposed to the distribution and consumption of pornography.
ANTIPORNOGRAPHY adj. opposed to pornography.
HEMATOPORPHYRINhematoporphyrin n. (Biochemistry) The porphyrin portion of heme (minus the iron atom).
HEMATOPORPHYRIN n. any of several porphyrins that are hydrated derivatives of protoporphyrins.
HYPERPRODUCTIONhyperproduction n. Excessive production.
HYPERPRODUCTION n. excessive production.
LYMPHOCYTOPENIAlymphocytopenia n. (Pathology) An abnormally low level of lymphocytes in the blood.
LYMPHOCYTOPENIA n. an abnormally low level of lymphocytes in the blood.
PALAEONTOGRAPHYpalaeontography n. The description of fossil remains in scientific literature.
palaeontography n. The representation of forms of life represented by fossil remains.
PALAEONTOGRAPHY n. descriptive palaeontology, the description of fossil remains.
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.
PHYTOPATHOGENICphytopathogenic adj. Pathogenic to plants.
PHYTOPATHOGENIC adj. of or like a phytopathogen.
PHYTOPLANKTONICphytoplanktonic adj. Pertaining to, or derived from, phytoplankton.
PHYTOPLANKTONIC adj. relating to phytoplankton.
PORPHYROGENITESporphyrogenites n. Plural of porphyrogenite.
PORPHYROGENITE n. a Byzantine emperor's son, born in the purple.
PROTOPORPHYRINSprotoporphyrins n. Plural of protoporphyrin.
PROTOPORPHYRIN n. metal-free porphyrin derived from blood hemin.

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: 105 words
  • Scrabble in French: 10 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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