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There are 17 twelve-letter words containing H, I, N, 3O, P and S

CACOPHONIOUScacophonious adj. Cacophonous; harsh-sounding; unmusical.
CACOPHONIOUS adj. relating to a cacophony, also CACOPHONIC, CACOPHONICAL, CACOPHONOUS.
CHRONOSCOPICchronoscopic adj. Relating to chronoscopy, or by means of a chronoscope.
CHRONOSCOPIC adj. of or like a chronoscope, an instrument for measuring very short time intervals.
IONOPHORESESIONOPHORESIS n. the migration of charged particles, e.g. of a drug, into body tissue.
IONOPHORESISionophoresis n. The movement of charged particles in an electric field.
ionophoresis n. Misspelling of iontophoresis.
IONOPHORESIS n. the migration of charged particles, e.g. of a drug, into body tissue.
MONOMORPHISMmonomorphism n. (Mathematics) an injective homomorphism.
monomorphism n. (Biology) the absence of sexual dimorphism.
monomorphism n. (Category theory) A morphism n such that for any other morphisms f and g, if 𝑛∘𝑓=𝑛∘𝑔 then f = g.
MONOSTROPHICmonostrophic adj. Of or pertaining to monostrophe.
monostrophic n. A monostrophe.
MONOSTROPHIC adj. having the same strophic or stanzaic structure throughout.
OPISTHOTONICopisthotonic adj. Relating to opisthotonus.
OPISTHOTONIC adj. of or like opisthotonos, extreme arching backwards of the spine and neck as a result of spasm of the muscles in that region.
OPISTHOTONOSopisthotonos n. (Medicine) Sustained tetanic spasm in which the body is bent backwards and stiffened, as produced by various diseases.
OPISTHOTONOS n. extreme arching backwards of the spine and neck as a result of spasm of the muscles in that region, etc.
ORNITHOSCOPYornithoscopy n. Birdwatching.
ORNITHOSCOPY n. bird watching.
PHONOLOGISTSphonologists n. Plural of phonologist.
PHONOLOGIST n. a student of phonology, the branch of linguistics that deals with systems of sounds.
PHONOPHOBIASphonophobias n. Plural of phonophobia.
PHONOPHOBIA n. fear of noise or of speaking aloud.
PHOTOFISSIONphotofission n. (Nuclear physics) Nuclear fission as the result of the absorption of a gamma ray or other high-energy photon.
photofission v. (Nuclear physics) To undergo, or cause to undergo, photofission.
PHOTOFISSION n. nuclear fission induced by gamma rays.
PHOTOIONISEDphotoionised adj. Alternative spelling of photoionized.
PHOTOIONISE v. to ionize by electromagnetic radiation, also PHOTOIONIZE.
PHOTOIONISESPHOTOIONISE v. to ionize by electromagnetic radiation, also PHOTOIONIZE.
PHOTOIONIZESphotoionizes v. Third-person singular simple present indicative form of photoionize.
PHOTOIONIZE v. to ionize by electromagnetic radiation, also PHOTOIONISE.
PHOTOPHONIESPHOTOPHONY n. the art or practice of using the photophone.
SIPHONOPHOREsiphonophore n. (Zoology) Any of various transparent marine hydrozoans, of the order Siphonophorae, that float or swim…
SIPHONOPHORE n. a marine creature, colonial in habit.

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: 74 words
  • Scrabble in French: 10 words
  • Scrabble in Spanish: 5 words
  • Scrabble in Italian: 4 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 4 words


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