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List of 15-letter words containing

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There are 19 fifteen-letter words containing I, L, 2N, 2S and Y

CONGRESSIONALLYcongressionally adv. By a congress; often specifically by the United States Congress.
CONGRESSIONAL adv. relating to congress.
CONSCIENTIOUSLYconscientiously adv. In a conscientious manner; attentively.
CONSCIENTIOUS adv. governed by or conforming to the dictates of conscience.
CYLINDRICALNESScylindricalness n. The state of being cylindrical.
CYLINDRICAL n. shaped like a cylinder, also CYLINDRIC.
DISCONTINUOUSLYdiscontinuously adv. In a discontinuous manner; not continuously.
DISCONTINUOUS adv. not continuous.
GLYCONEOGENESISglyconeogenesis n. The biosynthesis of sugars, typically in the liver.
GLYCONEOGENESIS n. the conversion of non-carbohydrate substances, e.g. amino acids, into glucose, also GLUCONEOGENESIS.
HYPERINSULINISMhyperinsulinism n. Hyperinsulinemia.
HYPERINSULINISM n. the presence of excess insulin in the body resulting in hypoglycemia.
INCONSPICUOUSLYinconspicuously adv. In an inconspicuous manner; so as not to attract attention or appear unusual or out of the ordinary.
INCONSPICUOUS adv. not easily seen.
INSTANTANEOUSLYinstantaneously adv. Without any delay; in an instantaneous manner.
INSTANTANEOUS adv. done, occurring, or acting without any perceptible duration of time.
INSUBSTANTIALLYinsubstantially adv. In an insubstantial manner.
INSUBSTANTIAL adv. not substantial.
LYSOGENISATIONSlysogenisations n. Plural of lysogenisation.
LYSOGENISATION n. the process of lysogenising, also LYSOGENIZATION.
LYSOGENIZATIONSlysogenizations n. Plural of lysogenization.
LYSOGENIZATION n. the process of lysogenizing, also LYSOGENISATION.
MYLONITISATIONSMYLONITISATION n. the process of mylonitising, also MYLONITIZATION.
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.
PSYCHOANALYSINGpsychoanalysing v. Present participle of psychoanalyse.
PSYCHOANALYSE v. to subject to psychoanalysis, also PSYCHOANALYZE.
SANCTIMONIOUSLYsanctimoniously adv. In a sanctimonious manner.
SANCTIMONIOUS adv. hypocritically pious or devout.
SULFINPYRAZONESsulfinpyrazones n. Plural of sulfinpyrazone.
SULFINPYRAZONE n. a uricosuric drug used in the long-term treatment of chronic gout.
SYNCHRONISTICALSYNCHRONISTICAL adj. relating to synchronism, also SYNCHRONISTIC.
SYNCHRONOLOGIESsynchronologies n. Plural of synchronology.
SYNCHRONOLOGY n. a chronological arrangement side by side.
UNSUBSTANTIALLYunsubstantially adv. In an unsubstantial way.
UNSUBSTANTIAL adv. not substantial.

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: 117 words
  • Scrabble in French: 17 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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