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List of 13-letter words containing

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There are 15 thirteen-letter words containing E, 2H, N, P, S, T and Y

HYPERSTHENIAShypersthenias n. Plural of hypersthenia.
HYPERSTHENIA n. a morbid condition marked by excessive excitement of all the vital phenomena.
HYPERSTHENITEhypersthenite n. (Mineralogy) A more or less coarsely crystalline igneous rock, allied to gabbro; an aggregate of labradorite…
HYPERSTHENITE n. a pyroxenite composed almost wholly of hypersthene.
HYPHENISATIONHYPHENISATION n. the process of hyphenising, also HYPHENIZATION.
HYPOTHESISINGhypothesising v. Present participle of hypothesise.
HYPOTHESISE v. to form a hypothesis, also HYPOTHESIZE, HYPOTHETISE, HYPOTHETIZE.
HYPOTHESIZINGhypothesizing v. Present participle of hypothesize.
HYPOTHESIZE v. to make a hypothesis, also HYPOTHESISE, HYPOTHETISE, HYPOTHETIZE.
HYPOTHETISINGhypothetising v. Present participle of hypothetise.
HYPOTHETISE v. to form a hypothesis, also HYPOTHESISE, HYPOTHESIZE, HYPOTHETIZE.
HYPOXANTHINEShypoxanthines n. Plural of hypoxanthine.
HYPOXANTHINE n. a purine base found in plant and animal tissues that yields xanthine on oxidation.
METHYLPHENOLSMETHYLPHENOL n. a type of aromatic organic compound, aka cresol.
PHANEROPHYTESphanerophytes n. Plural of phanerophyte.
PHANEROPHYTE n. a perennial plant that bears its perennating buds well above the surface of the ground.
PHENYLMETHYLSPHENYLMETHYL n. an ester of benzene, aka benzyl.
PHOTOSYNTHATEphotosynthate n. (Biochemistry) Any compound that is a product of photosynthesis.
PHOTOSYNTHATE n. a product of photosynthesis.
PHYTOHORMONESphytohormones n. Plural of phytohormone.
PHYTOHORMONE n. a plant hormone, regulating growth.
PSYCHASTHENIApsychasthenia n. (Dated) A psychological disorder characterized by phobias, obsessions, compulsions, or excessive anxiety.
PSYCHASTHENIA n. an incapacity to resolve doubts/uncertainties or to resist obsessions/compulsions that one knows are irrational.
PSYCHASTHENICpsychasthenic adj. Affected with, or relating to, psychasthenia.
psychasthenic n. An individual who has psychasthenia.
PSYCHASTHENIC adj. relating to psychasthenia.
THEOPHYLLINEStheophyllines n. Plural of theophylline.
THEOPHYLLINE n. an isomer of theobromine found in tea, used in medicine.

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 1Word.ws and WikWik.org.

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See this list for:

  • English Wiktionary: 35 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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