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There are 15 twelve-letter words containing H, I, 2O, P, R, T and U

AMPHITROPOUSamphitropous adj. (Botany) Having the ovule bent so that the ends are near each other.
AMPHITROPOUS adj. of an ovule, with its point of attachment in the middle.
AUTOMORPHISMautomorphism n. (Algebra) An isomorphism of a mathematical object or system of objects onto itself.
automorphism n. The ascription to others of one’s own characteristics.
AUTOMORPHISM n. ascription to others of one's own characteristics.
AUTOTROPHIESautotrophies n. Plural of autotrophy.
AUTOTROPHY n. the state of being an autotroph, an organism that is able to manufacture its own food from inorganic substances.
AUXOTROPHIESauxotrophies n. Plural of auxotrophy.
AUXOTROPHY n. the state of being auxotrophic, requiring a specific growth substance beyond the minimum required for normal metabolism.
CHIROPTEROUSCHIROPTEROUS adj. relating to the Chiroptera, bats.
COAUTHORSHIPcoauthorship n. Joint authorship by two or more authors.
COAUTHORSHIP n. the role of coauthor.
LUTEOTROPHICluteotrophic adj. Alternative form of luteotropic.
LUTEOTROPHIC adj. acting on the corpora lutea, also LUTEOTROPIC.
LUTEOTROPHINluteotrophin n. Alternative form of luteotropin.
LUTEOTROPHIN n. another name for the hormone prolactin, also LUTEOTROPIN.
NEUROTROPHICneurotrophic adj. Of or relating to neurotrophy.
NEUROTROPHIC adj. relating to the nutrition of the nervous system, or to nutritional changes influenced by the nervous system.
NITROPHILOUSnitrophilous adj. (Botany, of a plant) Thriving in a habitat rich in nitrogen.
nitrophilous adj. (Ecology, of a habitat) Rich in nitrogen.
NITROPHILOUS adj. of plants, growing in a place where there is a good supply of nitrogen.
OPHIOLATROUSophiolatrous adj. Snake-worshipping.
OPHIOLATROUS adj. worshipping snakes.
POORMOUTHINGpoormouthing v. Present participle of poormouth.
POORMOUTH v. to complain about being poor.
THOROUGHPINSthoroughpins n. Plural of thoroughpin.
THOROUGHPIN n. a swelling of horses' hocks.
TROPOPHILOUStropophilous adj. (Biology) Adapted to seasonal changes.
TROPOPHILOUS adj. flourishing in seasonal extremes of climate.
VIRTUOSOSHIPvirtuosoship n. The status, pursuits, or occupation of a virtuoso.
VIRTUOSOSHIP n. being a virtuoso.

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: 61 words
  • Scrabble in French: 7 words
  • Scrabble in Spanish: 2 words
  • Scrabble in Italian: 2 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 15 words


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