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List of 13-letter words containing

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There are 18 thirteen-letter words containing H, N, O, P, U and Y

ANISOPHYLLOUSanisophyllous adj. (Botany) Having unequal leaves.
ANISOPHYLLOUS adj. of leaves, usually a pair, of differing size and shape.
BUTYROPHENONEbutyrophenone n. (Pharmacology) Any of a class of antipsychotic drugs (such as haloperidol) used especially in the treatment…
BUTYROPHENONE n. any of a class of antipsychotic drugs (as haloperidol) used esp. in the treatment of schizophrenia.
CACOPHONOUSLYcacophonously adv. In a cacophonous manner.
CACOPHONOUS adv. discordant, unpleasantly noisy, also CACOPHONIC, CACOPHONICAL, CACOPHONIOUS.
HYMENOPTEROUShymenopterous adj. (Entomology) Of the order Hymenoptera; hymenopteran.
HYMENOPTEROUS adj. having four membranous wings, as do ants, bees and wasps.
HYPERFUNCTIONhyperfunction n. (Mathematics) A generalization of a function.
hyperfunction n. (Medicine) Abnormally elevated function.
HYPERFUNCTION n. the overactivity of a gland or other bodily organ.
HYPOCHONDRIUMhypochondrium n. (Anatomy) The upper region of the abdomen, below the lower ribs, each side of the epigastrium.
HYPOCHONDRIUM n. either of two regions of the upper part of the abdomen.
IMMUNOTHERAPYimmunotherapy n. (Immunology) The treatment of disease (especially cancers and autoimmune diseases) by adjusting the…
IMMUNOTHERAPY n. the treatment or prevention of disease by taking measures to increase immune system functioning.
NEUROSYPHILISneurosyphilis n. (Pathology) A syphilis infection affecting the nervous system.
NEUROSYPHILIS n. a syphilitic infection affecting the central nervous system.
NYMPHAEACEOUSnymphaeaceous adj. (Botany) Of or relating to the family Nymphaeaceae of water lilies.
NYMPHAEACEOUS adj. belonging to the Nymphaea family, waterlilies.
OPENMOUTHEDLYopenmouthedly adv. With the mouth open, especially in astonishment.
OPENMOUTHED adv. vociferous.
PHYLLOQUINONEphylloquinone n. (Biochemistry, pharmacology) Synonym of phytomenadione.
PHYLLOQUINONE n. vitamin K1, one of the fat-soluble vitamin K group, essential for normal blood coagulation.
PHYTONUTRIENTphytonutrient n. Any substance, of plant origin, that provides nutrition; a phytochemical.
POLYPHONOUSLYpolyphonously adv. In a polyphonous manner.
POLYPHONOUS adv. relating to polyphony, also POLYPHONIC.
POLYURETHANESpolyurethanes n. Plural of polyurethane.
POLYURETHANE n. any of various polymers used esp. in flexible and rigid foams, elastomers, and resins, also POLYURETHAN.
PSYCHOSURGEONpsychosurgeon n. One who carries out psychosurgery.
PSYCHOSURGEON n. a practitioner of psychosurgery.
STENOPHYLLOUSstenophyllous adj. (Botany) Having narrow leaves.
STENOPHYLLOUS adj. with narrow leaves.
SULPHONYLUREAsulphonylurea n. Alternative spelling of sulfonylurea.
SULPHONYLUREA n. a synthetic compound used to reduce the level of glucose in the blood in diabetes mellitus.
SYMPHONIOUSLYsymphoniously adv. In a symphonious manner.
SYMPHONIOUS adv. agreeing esp. in sound.

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: 161 words
  • Scrabble in French: 22 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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