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List of 15-letter words containing

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

INCONGRUOUSNESSincongruousness n. Incongruity.
INCONGRUOUS n. lacking congruity.
INGENUOUSNESSESingenuousnesses n. Plural of ingenuousness.
INGENUOUSNESS n. the state of being ingenuous.
INNOCUOUSNESSESinnocuousnesses n. Plural of innocuousness.
INNOCUOUSNESS n. INNOCUOUS, harmless.
MOUNTAINOUSNESSmountainousness n. The quality of being mountainous.
MOUNTAINOUSNESS n. the state of being mountainous.
NONSIMULTANEOUSnonsimultaneous adj. Not simultaneous.
NONSIMULTANEOUS adj. not simultaneous.
NONUNIQUENESSESnonuniquenesses n. Plural of nonuniqueness.
NONUNIQUENESS n. NONUNIQUE, not unique.
SANGUINEOUSNESSSANGUINEOUS n. bloodred; of or relating to blood.
SUBINSINUATIONSSUBINSINUATION n. something less than an insinuation.
SUPERANNUATIONSsuperannuations n. Plural of superannuation.
SUPERANNUATION n. the act of superannuating.
UNANIMOUSNESSESUNANIMOUSNESS n. UNANIMOUS, of one mind.
UNCONSCIENTIOUSunconscientious adj. Not conscientious.
UNCONSCIENTIOUS adj. not conscientious.
UNCONSCIOUSNESSunconsciousness n. The state of lacking consciousness, of being unconscious.
unconsciousness n. Ignorance or innocence; the state of being uninformed or unaware.
UNCONSCIOUSNESS n. the state of being unconscious.
UNDERNOURISHINGundernourishing v. Present participle of undernourish.
UNDERNOURISH v. to nourish insufficiently.
UNDERNUTRITIONSUNDERNUTRITION n. deficient bodily nutrition due to inadequate food intake or faulty assimilation.
UNQUESTIONINGLYunquestioningly adv. Without asking questions or having doubts. With complete obedience and without making any opposition.
UNQUESTIONING adv. not questioning.

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: 43 words
  • Scrabble in French: 1 word
  • Scrabble in Spanish: 1 word
  • Scrabble in Italian: 1 word
  • Scrabble in German: no word
  • Scrabble in Romanian: 9 words


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