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List of 15-letter words containing

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There are 15 fifteen-letter words containing A, I, O, 3S and 2U

AMBIGUOUSNESSESambiguousnesses n. Plural of ambiguousness.
AMBIGUOUSNESS n. the state of being ambiguous.
ASSIDUOUSNESSESASSIDUOUSNESS n. the state of being assiduous.
AUDACIOUSNESSESaudaciousnesses n. Plural of audaciousness.
AUDACIOUSNESS n. the state of being audacious.
AUTOSUGGESTIONSautosuggestions n. Plural of autosuggestion.
auto-suggestions n. Plural of auto-suggestion.
AUTOSUGGESTION n. an influencing of one's own attitudes, behavior, or physical condition by mental processes other than conscious thought.
BRACHIOSAURUSESbrachiosauruses n. Plural of brachiosaurus.
BRACHIOSAURUS n. any member of a genus of huge lizard-hipped plant-eating dinosaurs.
DOLICHOSAURUSESDOLICHOSAURUS n. any member of the Dolichosauria, a group of Cretaceous fossil reptiles.
FUGACIOUSNESSESFUGACIOUSNESS n. the state of being fugacious.
FURACIOUSNESSESFURACIOUSNESS n. FURACIOUS, (obsolete) given to thieving; thievish.
ICHTHYOSAURUSESICHTHYOSAURUS n. a large fossil marine reptile, also ICHTHYOSAUR, ICHTHYOSAURIAN.
MOUNTAINOUSNESSmountainousness n. The quality of being mountainous.
MOUNTAINOUSNESS n. the state of being mountainous.
SANGUINEOUSNESSSANGUINEOUS n. bloodred; of or relating to blood.
SUBINSINUATIONSSUBINSINUATION n. something less than an insinuation.
SULPHURISATIONSSULPHURISATION n. the process of sulphurising, also SULPHURIZATION.
UNANIMOUSNESSESUNANIMOUSNESS n. UNANIMOUS, of one mind.
UNSAVOURINESSESUNSAVOURINESS n. the state of being unsavoury.

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: 42 words
  • Scrabble in French: 47 words
  • Scrabble in Spanish: 10 words
  • Scrabble in Italian: 9 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 6 words


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