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There are 4 twelve-letter words containing G, H, I, 2N, O, 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.
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.
HYPNOGENETIChypnogenetic adj. Inducing hypnosis.
HYPNOGENETIC adj. relating to the production of hypnotic sleep, also HYPNOGENIC, HYPNOGENOUS.
PHAENOTYPINGPHAENOTYPE v. to categorise by phaenotype, the sum of the attributes of an individual, regarded as resulting from the interaction of its genotype with its environment, also PHENOTYPE.

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


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