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There are 19 twelve-letter words containing A, B, 2O, R, 2S and T

ABORTIONISTSabortionists n. Plural of abortionist.
ABORTIONIST n. one who induces abortions.
ASTROPHOBIASASTROPHOBIA n. a morbid fear of thunder and lightning, also ASTRAPHOBIA, ASTRAPOPHOBIA.
BLASTOSPORESblastospores n. Plural of blastospore.
BLASTOSPORE n. the orifice of a gastrula.
BLOODSTREAMSbloodstreams n. Plural of bloodstream.
BLOODSTREAM n. the flowing blood in a circulatory system.
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.
CONTRABASSOScontrabassos n. Plural of contrabasso.
CONTRABASSO n. (Italian) the double bass, also CONTRABASS, CONTRABBASSO, COUNTERBASE.
CONTRABBASSOCONTRABBASSO n. (Italian) the double bass, also CONTRABASS, CONTRABASSO, COUNTERBASE.
GARBOLOGISTSgarbologists n. Plural of garbologist.
GARBOLOGIST n. a person who studies a society's waste materials.
HOUSEBOATERShouseboaters n. Plural of houseboater.
HOUSEBOATER n. one who lives on a houseboat.
OBSCURATIONSobscurations n. Plural of obscuration.
OBSCURATION n. the act of obscuring.
OBSECRATIONSobsecrations n. Plural of obsecration.
OBSECRATION n. an entreaty.
OBSERVATIONSobservations n. Plural of observation.
OBSERVATION n. an act or instance of observing a custom, rule, or law.
OBSTROPALOUSobstropalous adj. Alternative form of obstropulous.
OBSTROPALOUS adj. (colloquial) noisy, unruly, also OBSTREPEROUS, OBSTROPULOUS.
POLYSORBATESpolysorbates n. Plural of polysorbate.
POLYSORBATE n. an emulsifier.
STRABOTOMIESstrabotomies n. Plural of strabotomy.
STRABOTOMY n. surgical removal of a squint.
SUBORNATIONSsubornations n. Plural of subornation.
SUBORNATION n. the act of suborning.
SUBROGATIONSsubrogations n. Plural of subrogation.
SUBROGATION n. the act of subrogating, also SURROGATION.
THOROUGHBASSthoroughbass n. (Music) Synonym of figured bass.
THOROUGHBASS n. esp. in baroque music, a bass part underlying a piece.
TROPHOBLASTStrophoblasts n. Plural of trophoblast.
TROPHOBLAST n. the outermost layer of cells in the morula that attaches the fertilized ovum to the uterine wall and acts as a nutritive pathway.

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: 68 words
  • Scrabble in French: 34 words
  • Scrabble in Spanish: 101 words
  • Scrabble in Italian: 36 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 10 words


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