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There are 17 twelve-letter words containing A, B, N, O, 2R, T and U

BRONTOSAURUSbrontosaurus n. One of the largest land animals to ever walk the earth; a Brontosaurus.
Brontosaurus prop.n. A taxonomic genus within the family Diplodocidae – certain large long-necked sauropods; formerly merged…
BRONTOSAURUS n. any of a genus of large sauropod dinosaurs of the Jurassic, also BRONTOSAUR.
CARBURATIONScarburations n. Plural of carburation; Alternative spelling of carburetions.
CARBURATION n. combination with carbon.
CARBURETIONScarburetions n. Plural of carburetion.
CARBURETION n. the process of carburetting.
CONTRIBUTARYcontributary adj. Obsolete form of contributory.
CONTRIBUTARY n. (obsolete) a person or thing that contributes, also CONTRIBUTORY.
COUNTERBRACEcounterbrace v. (Nautical, transitive) To brace in opposite directions.
counterbrace v. (Engineering, transitive) To brace in such a way that opposite strains are resisted.
COUNTERBRACE v. to brace or fasten (the head-yards and after-yards) in opposite ways.
INTERLOBULARinterlobular adj. (Anatomy) Between lobules.
INTERLOBULAR adj. between lobes.
PERTURBATIONperturbation n. (Uncountable) Agitation; the state of being perturbed.
perturbation n. (Countable) A small change in a physical system, or more broadly any definable system (such as a biological…
perturbation n. (Countable, astronomy, physics) Variation in an orbit due to the influence of external bodies.
PROTUBERANCEprotuberance n. A bulge, knob, swelling, spine or anything that protrudes.
PROTUBERANCE n. a swelling or bump on the surface, also PROTUBERANCY.
PROTUBERANCYprotuberancy n. The quality or state of being protuberant.
protuberancy n. A protuberance.
PROTUBERANCY n. a swelling or bump on the surface, also PROTUBERANCE.
RUBRICATIONSrubrications n. Plural of rubrication.
RUBRICATION n. the act of rubricating.
SABURRATIONSsaburrations n. Plural of saburration.
SABURRATION n. the application of hot sand as medical treatment.
SUBARRATIONSSUBARRATION n. an ancient form of betrothal in which pledges of money, rings, etc. were given by the man to the woman, also SUBARRHATION.
SUBARRHATIONsubarrhation n. (Historical) The ancient custom of betrothal by gift of pledges.
SUBARRHATION n. an ancient form of betrothal in which pledges of money, rings, etc. were given by the man to the woman, also SUBARRATION.
SUBORDINATORsubordinator n. (Grammar) Any of a lexical class of words that join clauses at a subordinate syntactic level.
subordinator n. One who subordinates, or reduces the status of, another person.
SUBORDINATOR n. one that subordinates.
TUBOCURARINEtubocurarine n. (Pharmacology) Synonym of tubocurarine chloride.
TUBOCURARINE n. a toxic alkaloid obtained from the stem of a South American vine.
TURNBROACHESturnbroaches n. Plural of turnbroach.
TURNBROACH n. a turnspit.
UNREPORTABLEunreportable adj. Not reportable.
UNREPORTABLE adj. not reportable.

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: 57 words
  • Scrabble in French: 67 words
  • Scrabble in Spanish: 36 words
  • Scrabble in Italian: 49 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 52 words


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