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There are 19 twelve-letter words containing I, N, 3O, R and 2T

AUTOROTATIONautorotation n. (Aviation) The rotation of the blades of a helicopter driven solely by the action of ascending air.
AUTOROTATION n. the act of self-turning.
CONTORTIONALCONTORTIONAL adj. relating to contortion, also CONTORTIONATE.
CONTORTIONEDCONTORTIONED adj. in a contorted state.
DIPROTODONTSdiprotodonts n. Plural of diprotodont.
DIPROTODONT n. any marsupial of the Diprotodontia, the suborder including kangaroos, wombats, etc., also DIPROTODON.
MOTORBOATINGmotorboating n. The act of travelling in a motorboat.
motorboating n. (Slang) The act of placing one’s head between a woman’s breasts and making the sound of a motorboat…
motorboating v. Present participle of motorboat.
MOTORISATIONmotorisation n. Alternative spelling of motorization.
MOTORISATION n. the act of motorising, also MOTORIZATION.
MOTORIZATIONmotorization n. The act of motorizing something.
MOTORIZATION n. the act of motorizing, also MOTORISATION.
NITROCOTTONSNITROCOTTON n. guncotton, an explosive made from cotton soaked in nitric and sulphuric acids.
OROROTUNDITYOROROTUNDITY n. the orotund mode of intonation, also OROTUNDITY.
ORTHODONTIASORTHODONTIA n. the rectification of crookedness in the teeth, also ORTHODONTICS.
ORTHODONTICSorthodontics n. (Medicine) A specialty of dentistry concerned with correcting misalignment of teeth.
ORTHODONTICS n. the rectification of crookedness in the teeth, also ORTHODONTIA.
ORTHODONTISTorthodontist n. An orthodontic dentist.
ORTHODONTIST n. one who practises orthodontics.
ORTHOTONESISorthotonesis n. The accentuation of a proclitic or enclitic.
ORTHOTONESIS n. accentuation of a proclitic or enclitic, as opposed to enclisis.
POSTABORTIONpostabortion adj. After abortion (termination of pregnancy).
POSTABORTION adj. taking place after an abortion.
PROTONATIONSprotonations n. Plural of protonation.
PROTONATION n. the acquisition of an additional proton.
ROBOTISATIONrobotisation n. Alternative spelling of robotization.
ROBOTISATION n. the act of causing a job to be done by robots, also ROBOTIZATION.
ROBOTIZATIONrobotization n. The automation of a system or process by use of robotic devices.
ROBOTIZATION n. the act of causing a job to be done by robots, also ROBOTISATION.
SOMATOTROPINsomatotropin n. (Biology, medicine) Synonym of growth hormone.
SOMATOTROPIN n. a polypeptide growth hormone, also SOMATOTROPHIN, SOMATOTROPINE.
TETRODOTOXINtetrodotoxin n. (Neurotoxicology) A neurotoxin, originally discovered in Tetraodontiformes, and found in pufferfish…
TETRODOTOXIN n. a deadly nerve poison found in a species of Japanese puffer fish, also TETROTOXIN.

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 1Word.ws and WikWik.org.

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See this list for:

  • English Wiktionary: 82 words
  • Scrabble in French: 20 words
  • Scrabble in Spanish: 9 words
  • Scrabble in Italian: 92 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 40 words


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