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There are 12 twelve-letter words containing A, H, N, 2O, 2R and T

CHLORINATORSchlorinators n. Plural of chlorinator.
CHLORINATOR n. a machine for chlorinating.
HARMONOMETERharmonometer n. (Rare, dated) An instrument for measuring the harmonic relations of sounds.
HARMONOMETER n. an instrument for measuring the harmonic relations of sounds.
HETEROKARYONheterokaryon n. (Biology) A cell having two or more genetically different nuclei.
HETEROKARYON n. a cell, as in the mycelium of a fungus, that contains two or more genetically unlike nuclei.
HYDROGENATORhydrogenator n. (Chemistry) A device that hydrogenates.
HYDROGENATOR n. an agent that hydrogenates.
NORMOTHERMIAnormothermia n. (Medicine) The condition of having a normal body temperature.
NORMOTHERMIA n. normal body temperature.
ORNITHOSAURSORNITHOSAUR n. a pterodactyl.
ORTHOPTERANSorthopterans n. Plural of orthopteran.
ORTHOPTERAN n. any member of the Orthoptera, an order of mandibulate insects, also ORTHOPTERON.
PARATHORMONEparathormone n. Parathyroid hormone.
PARATHORMONE n. a parathyroid hormone.
PROTHONOTARYprothonotary n. (Obsolete, historical) A chief legal clerk or notary in Roman Byzantium, and (hence) in Rome.
prothonotary n. (Roman Catholicism) One of the seven prelates, constituting a college in the Roman Curia, whose office…
prothonotary n. A registrar or chief clerk in various courts of law, especially (US) in a county court, (Australia)…
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.
ROTOGRAPHINGrotographing v. Present participle of rotograph.
ROTOGRAPH v. to make a photograph by laying negative on sensitive paper.
UNROADWORTHYunroadworthy adj. Describing a vehicle which is not safe for use on the road.
UNROADWORTHY adj. not roadworthy.

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: 33 words
  • Scrabble in Spanish: 13 words
  • Scrabble in Italian: 14 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 13 words


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