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There are 8 twelve-letter words containing I, M, O, 2P, 2S and U

APPRESSORIUMappressorium n. (Mycology) A bulbous formation produced by parasitic fungi that is well attached to the cuticle of the…
APPRESSORIUM n. the flattened thickened tip of a hyphal branch by which some parasitic fungi attach to and penetrate their host.
MESOHIPPUSESMESOHIPPUS n. an extinct mammal of the Horse family.
OPPORTUNISMSopportunisms n. Plural of opportunism.
OPPORTUNISM n. the practice of regulating actions by favourable opportunities rather than consistent principles.
PHOSPHONIUMSphosphoniums n. Plural of phosphonium.
PHOSPHONIUM n. the radical PH4, analogous to ammonium.
PITTOSPORUMSpittosporums n. Plural of pittosporum.
PITTOSPORUM n. any of numerous chiefly subtropical evergreen shrubs or small trees.
PRESUMPTIONSpresumptions n. Plural of presumption.
PRESUMPTION n. the act of presuming.
SUPERIMPOSEDsuperimposed v. Simple past tense and past participle of superimpose.
superimposed adj. Positioned on or above something else, especially in layers; superposed.
superimposed adj. (Geology) layered or stratified.
SUPERIMPOSESsuperimposes v. Third-person singular simple present indicative form of superimpose.
SUPERIMPOSE v. to place or lay over or above something.

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: 21 words
  • Scrabble in French: 3 words
  • Scrabble in Spanish: 4 words
  • Scrabble in Italian: 11 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 2 words


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