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There are 15 fifteen-letter words containing H, I, N, 2O, 2P and Y

ADENOHYPOPHYSISadenohypophysis n. (Anatomy) The anterior lobe of the pituitary gland, producing and secreting several peptide hormones…
ADENOHYPOPHYSIS n. the anterior glandular lobe of the pituitary gland.
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.
NEUROHYPOPHYSISneurohypophysis n. (Anatomy) The posterior lobe of the pituitary gland, responsible for the release of oxytocin and antidiuretic…
NEUROHYPOPHYSIS n. the portion of the pituitary gland that is composed of the infundibulum and posterior lobe and is concerned with the secretion of various hormones.
PHARYNGOSCOPIESpharyngoscopies n. Plural of pharyngoscopy.
PHARYNGOSCOPY n. examination of the pharynx.
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.
SEMIPORNOGRAPHYsemipornography n. Material that is partly or somewhat pornographic.
SEMIPORNOGRAPHY n. material approaching the pornographic.

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: 8 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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