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

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.
APOMORPHINESapomorphines n. Plural of apomorphine.
APOMORPHINE n. an alkaloid prepared by dehydrating morphine, also APOMORPHIA.
APOTROPAISMSAPOTROPAISM n. a magical practice averting evil.
EPIMORPHOSESEPIMORPHOSIS n. a type of development in animals, such as certain insect larvae, in which segmentation of the body is complete before hatching.
EPIMORPHOSISepimorphosis n. The regeneration of tissues or organs through the dedifferentiation of existing, differentiated adult tissues.
EPIMORPHOSIS n. a type of development in animals, such as certain insect larvae, in which segmentation of the body is complete before hatching.
HAPTOTROPISMhaptotropism n. (Biology) The movement of parts of a plant (especially tendrils) in response to a touch stimulus.
HAPTOTROPISM n. curving in response to touch, as a tendril.
OPPORTUNISMSopportunisms n. Plural of opportunism.
OPPORTUNISM n. the practice of regulating actions by favourable opportunities rather than consistent principles.
PERIMORPHOUSperimorphous adj. Perimorphic.
PERIMORPHOUS adj. like a perimorph, also PERIMORPHIC.
PERISPOMENONperispomenon adj. (Linguistics, of a word) Having a circumflex accent on the last syllable.
perispomenon n. (Linguistics) A word with a circumflex accent on the last syllable.
PERISPOMENON n. a word having a circumflex accent on the final syllable.
PHOSPHORISMSPHOSPHORISM n. (obsolete) chronic phosphorus poisoning.
PHOTOTROPISMphototropism n. (Biology) The movement of a plant towards or away from light.
PHOTOTROPISM n. movement directed by light.
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.
PLEIOTROPISMpleiotropism n. (Genetics) pleiotropy.
PLEIOTROPISM n. the state of being pleiotropic, having an effect simultaneously on more than one character in the offspring.
PLEOMORPHIESPLEOMORPHY n. the state of being pleomorphic, occurring in several different forms.
PLEOMORPHISMpleomorphism n. (Biology) the occurrence of multiple structural forms during the life cycle of an organism.
pleomorphism n. (Chemistry) Synonym of polymorphism.
PLEOMORPHISM n. polymorphism; the occurrence of two or more structural forms during a life cycle.
POLYMORPHISMpolymorphism n. The ability to assume different forms or shapes.
polymorphism n. (Biology) The coexistence, in the same locality, of two or more distinct forms independent of sex, not…
polymorphism n. (Object-oriented programming) The feature pertaining to the dynamic treatment of data elements based…
PRECOMPOSINGprecomposing v. Present participle of precompose.
PRECOMPOSE v. to compose beforehand.
PROTOPLASMICprotoplasmic adj. (Cytology) Of or relating to protoplasm.
PROTOPLASMIC adj. of or like protoplasm, also PROTOPLASMAL, PROTOPLASMATIC, PROTOPLASTIC.

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: 55 words
  • Scrabble in French: 13 words
  • Scrabble in Spanish: 27 words
  • Scrabble in Italian: 69 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 10 words


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