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There are 11 twelve-letter words containing E, H, I, 2N, R, T and Y

ANTIHYDROGENantihydrogen n. (Physics, uncountable) The antimatter equivalent of hydrogen, consisting of an antiproton and an positron…
antihydrogen n. (Physics, countable) An atom of the antimatter equivalent of hydrogen.
ANTIHYDROGEN n. an antimatter form of hydrogen.
HEARTENINGLYhearteningly adv. In a heartening way; cheeringly.
HEARTENING adv. HEARTEN, to give courage to, also HARTEN.
HETERODYNINGheterodyning v. Present participle of heterodyne.
HETERODYNE v. to change the frequency of (a signal) by imposing on a continuous wave another of slightly different length to produce beats.
HYDRASTININEhydrastinine n. (Organic chemistry) A semisynthetic alkaloid resulting from the hydrolysis of hydrastine.
HYDRASTININE n. a colourless crystalline water-soluble compound whose pharmacological action resembles that of hydrastine.
HYPERINTENSEhyperintense adj. (Especially of an image) More than usually intense.
HYPERINTENSE adj. excessively intense.
HYPERTENSIONhypertension n. (Pathology) The disease or disorder of abnormally high blood pressure.
HYPERTENSION n. abnormally or excessively high pressure of arterial blood.
INCOHERENTLYincoherently adv. In an incoherent manner.
INCOHERENT adv. lacking coherence.
LABYRINTHINElabyrinthine adj. Physically resembling a labyrinth; with the qualities of a maze.
labyrinthine adj. (Anatomy) Relating to the labyrinth of the inner ear.
labyrinthine adj. (Figurative) Convoluted, baffling, confusing, perplexing.
PERICYNTHIONpericynthion n. The point in an elliptical orbit around the moon that passes closest to the moon.
PERICYNTHION n. the point at which a spacecraft in lunar orbit is nearest to the moon.
SYNCHRONEITYsynchroneity n. The state or characteristic of being synchronous or synchronized.
SYNCHRONEITY n. the state of being synchronous.
THUNDERINGLYthunderingly adv. In a thundering way; with great noise or fury.
thunderingly adv. (Informal) Extremely; marvellously.
THUNDERING adv. resounding.

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: 44 words
  • Scrabble in French: 12 words
  • Scrabble in Spanish: 1 word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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