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There are 19 twelve-letter words containing E, M, O, P, 2S, T and U

AUTOSAMPLERSautosamplers n. Plural of autosampler.
COMPUTERESESCOMPUTERESE n. the jargon used by people who deal with computers.
COMPUTERISEScomputerises v. Third-person singular simple present indicative form of computerise.
COMPUTERISE v. to render suitable for a computer, also COMPUTERIZE.
COMPUTERISTScomputerists n. Plural of computerist.
COMPUTERIST n. a person who uses or operates a computer.
COMPUTERLESScomputerless adj. Without a computer.
COMPUTERLESS adj. without a computer.
CONSUMPTIVESconsumptives n. Plural of consumptive.
CONSUMPTIVE n. a person affected with consumption.
DESPUMATIONSdespumations n. Plural of despumation.
DESPUMATION n. the throwing off of impurities.
IMPOSTUMATESIMPOSTUMATE v. to form or inflict an abscess, also IMPOSTHUMATE.
PNEUMOCYSTISpneumocystis n. (Pathology) A parasitic fungal organism of the genus Pneumocystis, in humans specifically Pneumocystis jorevicii.
Pneumocystis prop.n. A taxonomic genus within the family Pneumocystidaceae – fungi first thought to be protozoa, including…
PNEUMOCYSTIS n. any protozoan of the genus Pneumocystis, esp. P. carinii, which is a cause of pneumonia.
POSTCONSUMERpostconsumer adj. After use by a consumer.
POSTSCENIUMSPOSTSCENIUM n. the part of the stage behind the scenery.
PRESUMPTIONSpresumptions n. Plural of presumption.
PRESUMPTION n. the act of presuming.
PRESUMPTUOUSpresumptuous adj. Going beyond what is right, proper, or appropriate because of an excess of self-confidence or arrogance.
PRESUMPTUOUS adj. overstepping due bounds (as of propriety or courtesy).
REASSUMPTIONreassumption n. Assumption again or anew.
REASSUMPTION n. the act of reassuming.
SUBOPTIMISEDSUBOPTIMISE v. to optimize to an inferior degree, also SUBOPTIMIZE.
SUBOPTIMISESSUBOPTIMISE v. to optimize to an inferior degree, also SUBOPTIMIZE.
SUBOPTIMIZESsuboptimizes v. Third-person singular simple present indicative form of suboptimize.
SUBOPTIMIZE v. to optimize to an inferior degree, also SUBOPTIMISE.
SUPERSTARDOMsuperstardom n. The status or position of a superstar.
SUPERSTARDOM n. being a superstar.
SUPPORTMENTSsupportments n. Plural of supportment.
SUPPORTMENT n. support.

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: 78 words
  • Scrabble in French: 28 words
  • Scrabble in Spanish: 64 words
  • Scrabble in Italian: 11 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 15 words


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