List of 15-letter words containing

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There are 19 fifteen-letter words containing OSA

BRACHIOSAURUSES	• brachiosauruses n. Plural of brachiosaurus. • BRACHIOSAURUS n. any member of a genus of huge lizard-hipped plant-eating dinosaurs.
CARCINOSARCOMAS	• carcinosarcomas n. Plural of carcinosarcoma. • CARCINOSARCOMA n. a kind of tumour.
COUNTERPROPOSAL	• counterproposal n. A proposal made as an alternative to another, earlier proposal. • counter-proposal n. Alternative form of counterproposal. • COUNTERPROPOSAL n. a return proposal made by one who has rejected a proposal.
DECOMPOSABILITY	• decomposability n. (Uncountable) The condition of being decomposable. • decomposability n. (Countable) The extent to which something is decomposable. • DECOMPOSABILITY n. the state of being decomposable.
DISPOSABILITIES	• disposabilities n. Plural of disposability. • DISPOSABILITY n. the state of being disposable.
DOLICHOSAURUSES	• DOLICHOSAURUS n. any member of the Dolichosauria, a group of Cretaceous fossil reptiles.
HEXOSAMINIDASES	• hexosaminidases n. Plural of hexosaminidase. • HEXOSAMINIDASE n. either of two hydrolytic enzymes that catalyze the splitting off of a hexose from a ganglioside and are deficient in some metabolic diseases.
ICHTHYOSAURIANS	• ichthyosaurians n. Plural of ichthyosaurian. • ICHTHYOSAURIAN n. a large fossil marine reptile, also ICHTHYOSAUR, ICHTHYOSAURUS.
ICHTHYOSAURUSES	• ICHTHYOSAURUS n. a large fossil marine reptile, also ICHTHYOSAUR, ICHTHYOSAURIAN.
LYMPHOSARCOMATA	• lymphosarcomata n. Plural of lymphosarcoma. • LYMPHOSARCOMA n. a tumour of the lymph glands.
MICROSATELLITES	• microsatellites n. Plural of microsatellite. • MICROSATELLITE n. a very small satellite.
MONOSACCHARIDES	• monosaccharides n. Plural of monosaccharide. • MONOSACCHARIDE n. a simple sugar e.g. glucose or fructose.
MUCOSANGUINEOUS	• mucosanguineous adj. (Medicine) Containing mucus and blood. • MUCOSANGUINEOUS adj. consisting of mucus and blood.
OLIGOSACCHARIDE	• oligosaccharide n. (Biochemistry) A polysaccharide of low molecular weight, being a polymer of between three and eight… • OLIGOSACCHARIDE n. a saccharide (as a disaccharide) that contains a known small number of monosaccharide units.
PARAROSANILINES	• pararosanilines n. Plural of pararosaniline. • PARAROSANILINE n. a white crystalline base that is the parent compound of many dyes.
PROSAICALNESSES	• PROSAICALNESS n. PROSAICAL, relating to prose; dull, banal, also PROSAIC.
SACROSANCTITIES	• sacrosanctities n. Plural of sacrosanctity. • SACROSANCTITY n. the state of being sacrosanct.
TRANSPOSABILITY	• transposability n. The quality of being transposable. • TRANSPOSABILITY n. the quality of being transposable.
TYRANNOSAURUSES	• tyrannosauruses n. Plural of tyrannosaurus. • TYRANNOSAURUS n. a large carnivorous lizard-hipped dinosaur, common during the Cretaceous period, also TYRANNOSAUR.

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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English Wiktionary: 175 words
Scrabble in French: 37 words
Scrabble in Spanish: 82 words
Scrabble in Italian: 107 words
Scrabble in German: no word
Scrabble in Romanian: 62 words

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