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List of 15-letter words containing

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There are 16 fifteen-letter words containing I, 2N, R, 2S and Y

CONGRESSIONALLYcongressionally adv. By a congress; often specifically by the United States Congress.
CONGRESSIONAL adv. relating to congress.
CYLINDRICALNESScylindricalness n. The state of being cylindrical.
CYLINDRICAL n. shaped like a cylinder, also CYLINDRIC.
HYPEREXTENSIONShyperextensions n. Plural of hyperextension.
HYPEREXTENSION n. the extension of a joint beyond its normal range.
HYPERINSULINISMhyperinsulinism n. Hyperinsulinemia.
HYPERINSULINISM n. the presence of excess insulin in the body resulting in hypoglycemia.
NONPSYCHIATRISTnonpsychiatrist n. One who is not a psychiatrist.
NONPSYCHIATRIST n. someone who is not a psychiatrist.
POSTSYNCHRONISEPOSTSYNCHRONISE v. to add sound, such as dubbing, to a film or video after shooting is completed, also POSTSYNCHRONIZE.
POSTSYNCHRONIZEPOSTSYNCHRONIZE v. to add sound, such as dubbing, to a film or video after shooting is completed, also POSTSYNCHRONISE.
RESYNCHRONISINGresynchronising v. Present participle of resynchronise.
RESYNCHRONISE v. to synchronise again, also RESYNCHRONIZE.
SESQUICENTENARYsesquicentenary n. A 150-year anniversary.
SESQUICENTENARY n. a hundred and fiftieth anniversary.
SULFINPYRAZONESsulfinpyrazones n. Plural of sulfinpyrazone.
SULFINPYRAZONE n. a uricosuric drug used in the long-term treatment of chronic gout.
SYNCHRONICITIESsynchronicities n. Plural of synchronicity.
SYNCHRONICITY n. the coincidental occurrence of events and esp. psychic events.
SYNCHRONISATIONsynchronisation n. Non-Oxford British spelling standard spelling of synchronization.
SYNCHRONISATION n. the act of synchronising, also SYNCHRONIZATION.
SYNCHRONISTICALSYNCHRONISTICAL adj. relating to synchronism, also SYNCHRONISTIC.
SYNCHRONOLOGIESsynchronologies n. Plural of synchronology.
SYNCHRONOLOGY n. a chronological arrangement side by side.
SYNCRETISATIONSSYNCRETISATION n. the process of syncretising, also SYNCRETIZATION.
SYNCRETIZATIONSsyncretizations n. Plural of syncretization.
SYNCRETIZATION n. the process of syncretizing, also SYNCRETISATION.

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: 137 words
  • Scrabble in French: 45 words
  • Scrabble in Spanish: 2 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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