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List of 15-letter words containing

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There are 14 fifteen-letter words containing E, I, O, 2S, T, U and Y

BASIDIOMYCETOUSbasidiomycetous adj. Relating to the basidiomycetes.
BASIDIOMYCETOUS adj. of or like a basidiomycete.
CLEISTOGAMOUSLYcleistogamously adv. In a cleistogamous fashion.
CLEISTOGAMOUS adv. relating to cleistogamy, the production of small inconspicuous closed self-pollinating flowers additional to and often more fruitful than showier ones on the same plant, also CLEISTOGAMIC.
CONSCIENTIOUSLYconscientiously adv. In a conscientious manner; attentively.
CONSCIENTIOUS adv. governed by or conforming to the dictates of conscience.
HYPERFASTIDIOUShyperfastidious adj. Extremely fastidious.
HYPERFASTIDIOUS adj. excessively fastidious.
ICHTHYOSAURUSESICHTHYOSAURUS n. a large fossil marine reptile, also ICHTHYOSAUR, ICHTHYOSAURIAN.
INSTANTANEOUSLYinstantaneously adv. Without any delay; in an instantaneous manner.
INSTANTANEOUS adv. done, occurring, or acting without any perceptible duration of time.
NUCLEOSYNTHESISnucleosynthesis n. (Physics, astronomy) Any of several processes that lead to the synthesis of heavier atomic nuclei.
NUCLEOSYNTHESIS n. the production of a chemical element from simpler nuclei, as of hydrogen, esp. in a star.
PSYCHONEUROTICSpsychoneurotics n. Plural of psychoneurotic.
PSYCHONEUROTIC n. one suffering from a psychoneurosis.
PSYCHOSEXUALITYpsychosexuality n. The psychological aspects of sexuality.
PSYCHOSEXUALITY n. the psychic factors of sex.
SAUROPTERYGIANSsauropterygians n. Plural of sauropterygian.
SAUROPTERYGIAN n. any carnivorous Mesozoic marine reptile of the group Sauropterygia, with paddle-like limbs.
SERENDIPITOUSLYserendipitously adv. By serendipity; by blind luck in combination with wisdom; by fortunate accident.
SERENDIPITOUS adv. obtained or characterized by serendipity.
SUBREPTITIOUSLYsubreptitiously adv. Obsolete form of surreptitiously.
SUBREPTITIOUS adv. fraudulently obtained; surreptitious.
SUPERSTITIOUSLYsuperstitiously adv. In a superstitious manner.
SUPERSTITIOUS adv. relating to superstition.
SURREPTITIOUSLYsurreptitiously adv. In a surreptitious manner; stealthily, furtively, secretly.
SURREPTITIOUS adv. done by stealth.

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: 112 words
  • Scrabble in French: 23 words
  • Scrabble in Spanish: 35 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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