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There are 19 twelve-letter words containing A, D, 2I, M, O, P and R

ADIAPHORISMSADIAPHORISM n. tolerance or indifference, esp. in the matters of religion.
DIAMORPHINESDIAMORPHINE n. a strong painkilling drug.
DIASTROPHISMdiastrophism n. (Geology) The deformation of the Earth’s crust to form the continents, mountains and other large features.
DIASTROPHISM n. the process by which continents, mountains, ocean beds, folds and faults are formed.
DOLPHINARIUMdolphinarium n. An aquarium that houses dolphins.
DOLPHINARIUM n. a place where dolphins are kept.
DOPAMINERGICdopaminergic adj. Containing, involving, or transmitting dopamine.
dopaminergic adj. Of or relating to dopamine.
dopaminergic n. (Biochemistry) Any substance that affects the production of dopamine.
IMPIGNORATEDimpignorated v. Simple past tense and past participle of impignorate.
IMPIGNORATE v. to pledge, pawn or mortgage.
IMPROPRIATEDimpropriated v. Simple past tense and past participle of impropriate.
IMPROPRIATE v. to transfer ecclesiastical revenue to a layman.
IMPROVISATEDimprovisated v. Simple past tense and past participle of improvisate.
IMPROVISATE v. (obsolete) to improvise.
MADREPORITICmadreporitic adj. Relating to or composed of madreporite.
MADREPORITIC adj. of or like madreporite, in echinoderms, a perforated plate serving as opening to the stone canal.
MEDIATORSHIPmediatorship n. The office or character of a mediator.
MEDIATORSHIP n. the office of mediator.
METAPERIODICMETAPERIODIC adj. as in metaperiodic acid.
OPHIDIARIUMSOPHIDIARIUM n. a snake-house.
PALINDROMISTpalindromist n. One who composes palindromes.
PALINDROMIST n. one who composes palindromes.
POSTMERIDIANpostmeridian adj. Of or pertaining to the afternoon.
POSTMERIDIAN adj. taking place after noon.
PREADMISSIONpreadmission adj. Before admission (To a hospital, university, etc.).
preadmission n. A preadmission process; a process that precedes admission.
preadmission n. Admission, as of steam, to an engine cylinder before the backstroke is completed, thus increasing the cushioning.
PRIMORDIALLYprimordially adv. In a primordial manner.
primordially adv. With regard to a primordium.
PRIMORDIAL adv. original, rudimentary.
PRISMATOIDALprismatoidal adj. Having the shape of a prismatoid.
PRISMATOIDAL adj. having the form of a prismatoid.
PTERIDOMANIApteridomania n. A craze, in 19th-century England, for collecting ferns and for using images of ferns in the decorative arts.
PTERIDOMANIA n. a passion for ferns.
PYRIDOXAMINEpyridoxamine n. (Biochemistry) A constituent of vitamin B6, essential for the metabolism of starch and amino acids.
PYRIDOXAMINE n. a crystalline amine of the vitamin B6 group.

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: 8 words
  • Scrabble in Spanish: 64 words
  • Scrabble in Italian: 154 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 64 words


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