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There are 18 twelve-letter words containing A, H, I, 2O, 2R and T

AORTOGRAPHICaortographic adj. (Medicine) Of or relating to aortography.
AORTOGRAPHIC adj. relating to an aortography.
ARTHROSCOPICarthroscopic adj. (Medicine) Of or pertaining to arthroscopy.
ARTHROSCOPIC adj. relating to arthroscope.
ARTHROSPORICarthrosporic adj. Relating to arthrospores.
ARTHROSPORIC adj. of or like an arthrospore, also ARTHROSPOROUS.
CHIROPRACTORchiropractor n. A health-care practitioner who specializes in chiropractic, the hands on or hand-held instrumental movement…
CHIROPRACTOR n. a person who practises chiropractic.
CHLORINATORSchlorinators n. Plural of chlorinator.
CHLORINATOR n. a machine for chlorinating.
HOROMETRICALhorometrical adj. Relating to horometry.
HOROMETRICAL adj. relating to horometry.
NORMOTHERMIAnormothermia n. (Medicine) The condition of having a normal body temperature.
NORMOTHERMIA n. normal body temperature.
ORNITHOSAURSORNITHOSAUR n. a pterodactyl.
ORTHOGRAPHICorthographic adj. Of a projection used in maps, architecture etc., in which the rays are parallel.
orthographic adj. Of, or relating to, orthography.
ORTHOGRAPHIC adj. relating to orthography, the part of language study that deals with letters and spelling, also ORTHOGRAPHICAL.
ORTHOPRAXIESORTHOPRAXY n. the treatment of deformities in the human body by mechanical appliances.
PROTOTHERIANprototherian adj. Belonging or pertaining to the subclass Prototheria of monotremes.
prototherian n. Any of the egg-laying mammals of the subclass Prototheria; a monotreme.
PROTOTHERIAN adj. pertaining to a member of Prototheria, which comprises the order Monotremata and related fossil forms.
RADIOTHORIUMradiothorium n. (Physics) The radioactive isotope thorium-228.
RADIOTHORIUM n. a radioactive isotope of thorium with the mass number 228.
ROADWORTHIERROADWORTHY adj. able to be used on a road.
ROADWORTHIESROADWORTHY n. in South Africa, a certificate for a roadworthy vehicle.
ROTOGRAPHINGrotographing v. Present participle of rotograph.
ROTOGRAPH v. to make a photograph by laying negative on sensitive paper.
SAPROTROPHICsaprotrophic adj. Of or pertaining to saprotrophs (or saprobes).
SAPROTROPHIC adj. of or like a saprotroph.
TORSIOGRAPHStorsiographs n. Plural of torsiograph.
TORSIOGRAPH n. an instrument for recording torsional vibrations on an object.
TRAITORHOODSTRAITORHOOD n. the state of being a traitor.

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: 84 words
  • Scrabble in French: 24 words
  • Scrabble in Spanish: 15 words
  • Scrabble in Italian: 22 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 49 words


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