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There are 13 twelve-letter words containing E, 2I, M, O, P, S and U

CASSIOPEIUMSCASSIOPEIUM n. a former name for lutetium.
COMPUTERITIScomputeritis n. (Informal, humorous) Any ailment relating to or caused by computers, such as carpal tunnel syndrome.
computeritis n. (Informal, humorous) The mistaken belief that computers are the answer to every problem.
COMPUTERITIS n. the excessive use of computers; the fact of being detrimentally influenced by computers.
COPERNICIUMSCOPERNICIUM n. a short-lived artificially produced radioactive element that has 112 protons.
IMPERVIOUSLYimperviously adv. In an impervious manner; impenetrably; impermeably.
IMPERVIOUS adv. not allowing entrance or passage, also IMPERVIABLE.
IMPETIGINOUSimpetiginous adj. Of the nature of, or pertaining to, impetigo.
IMPETIGINOUS adj. suffering from impetigo.
PLEIOCHASIUMpleiochasium n. (Botany) An inflorescence in which several buds come out at the same time.
PLEIOCHASIUM n. a cymose inflorescence in which each branch bears more than two lateral branches.
PREMUNITIONSPREMUNITION n. the provision of relative immunity to a severe infection as a result of inducing a low-grade version.
SEMIPRECIOUSsemiprecious adj. Alternative form of semi-precious.
semi-precious adj. Sort of or somewhat precious or valuable. Usually used as part of the phrase semi-precious stones or…
SEMIPRECIOUS adj. of less commercial value than a precious stone.
SUBOPTIMISEDSUBOPTIMISE v. to optimize to an inferior degree, also SUBOPTIMIZE.
SUBOPTIMISESSUBOPTIMISE v. to optimize to an inferior degree, also SUBOPTIMIZE.
SUBOPTIMIZEDsuboptimized v. Simple past tense and past participle of suboptimize.
SUBOPTIMIZE v. to optimize to an inferior degree, also SUBOPTIMISE.
SUBOPTIMIZESsuboptimizes v. Third-person singular simple present indicative form of suboptimize.
SUBOPTIMIZE v. to optimize to an inferior degree, also SUBOPTIMISE.
UNIMPRISONEDunimprisoned adj. Not imprisoned.
UNIMPRISONED adj. not imprisoned.

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: 43 words
  • Scrabble in French: 24 words
  • Scrabble in Spanish: 38 words
  • Scrabble in Italian: 35 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 47 words


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