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There are 15 twelve-letter words containing E, H, I, 2N, O, R 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.
ASYNCHRONIESasynchronies n. Plural of asynchrony.
ASYNCHRONY n. lack of synchronisation.
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.
HYDROQUINONEhydroquinone n. (Organic chemistry) The diphenol para-dihydroxy benzene, used as a mild reducing agent in photographic…
HYDROQUINONE n. another name for quinol.
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.
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.
SYNCHRONISEDsynchronised adj. Operating in unison, in a state of synchronisation.
synchronised v. Simple past tense and past participle of synchronise.
SYNCHRONISE v. to cause to happen at the same time, also SYNCHRONIZE.
SYNCHRONISERsynchroniser n. Alternative form of synchronizer.
SYNCHRONISER n. one who synchronises, also SYNCHRONIZER.
SYNCHRONISESsynchronises v. Third-person singular simple present indicative form of synchronise.
SYNCHRONISE v. to cause to happen at the same time, also SYNCHRONIZE.
SYNCHRONIZEDsynchronized adj. Having attained synchronization, together, coordinated, combined.
synchronized v. Simple past tense and past participle of synchronize.
SYNCHRONIZE v. to cause to happen at the same time, also SYNCHRONISE.
SYNCHRONIZERsynchronizer n. One who or that which synchronizes.
SYNCHRONIZER n. one who synchronizes, also SYNCHRONISER.
SYNCHRONIZESsynchronizes v. Third-person singular simple present indicative form of synchronize.
SYNCHRONIZE v. to cause to happen at the same time, also SYNCHRONISE.
UNNEIGHBORLYunneighborly adj. Alternative spelling of unneighbourly.
UNNEIGHBORLY adj. not neighborly, also UNNEIGHBOURLY.

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: 58 words
  • Scrabble in French: 18 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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