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There are 15 twelve-letter words containing I, M, 2O, P, R, T and U

AMPHITROPOUSamphitropous adj. (Botany) Having the ovule bent so that the ends are near each other.
AMPHITROPOUS adj. of an ovule, with its point of attachment in the middle.
AUTOMORPHISMautomorphism n. (Algebra) An isomorphism of a mathematical object or system of objects onto itself.
automorphism n. The ascription to others of one’s own characteristics.
AUTOMORPHISM n. ascription to others of one's own characteristics.
COMPOSTURINGCOMPOSTURE v. to treat with compost.
COMPULSITORScompulsitors n. Plural of compulsitor.
COMPULSITOR n. in Scots law, a means of compelling.
COMPURGATIONcompurgation n. (Now chiefly historical) Acquitting someone from a formal charge or accusation following the sworn oaths…
COMPURGATION n. the exoneration of an accused person on the basis of oaths sworn by other persons.
MICROPTEROUSmicropterous adj. (Entomology) Having small, sometimes merely vestigial, wings.
MICROPTEROUS adj. having small wings or fins.
MUCOPROTEINSmucoproteins n. Plural of mucoprotein.
MUCOPROTEIN n. any of various complex conjugated proteins that contain polysaccharides and occur in body fluids and tissues.
OPPORTUNISMSopportunisms n. Plural of opportunism.
OPPORTUNISM n. the practice of regulating actions by favourable opportunities rather than consistent principles.
OUTPROMISINGoutpromising v. Present participle of outpromise.
OUTPROMISE v. to surpass in promising.
PITTOSPORUMSpittosporums n. Plural of pittosporum.
PITTOSPORUM n. any of numerous chiefly subtropical evergreen shrubs or small trees.
PITYROSPORUMPityrosporum prop.n. Former name of Malassezia (“fungus genus”).
PITYROSPORUM n. a yeastlike fungus which can cause pityriasis.
PLEUROTOMIESpleurotomies n. Plural of pleurotomy.
PLEUROTOMY n. incision into the pleura.
POORMOUTHINGpoormouthing v. Present participle of poormouth.
POORMOUTH v. to complain about being poor.
POSITRONIUMSpositroniums n. Plural of positronium.
POSITRONIUM n. a positron and and an electron bound together in a short-lived unit, similar to a hydrogen atom.
PROMULGATIONpromulgation n. The act of promulgating or announcing something, especially a proclamation announcing a new law.
PROMULGATION n. the act of promulgating.

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: 64 words
  • Scrabble in French: 20 words
  • Scrabble in Spanish: 12 words
  • Scrabble in Italian: 28 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 73 words


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