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List of 15-letter words beginning with

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There are 10 fifteen-letter words beginning with QUIN

QUINALBARBITONE• quinalbarbitone n. (Pharmacology) A sedative-hypnotic compound, 5-allyl-5-(1-methylbutyl)-barbituric acid, used to sedate…
• QUINALBARBITONE n. an anaesthetic and sedative drug derived from barbiturate, aka secobarbital.
QUINCENTENARIES• quincentenaries n. Plural of quincentenary.
• QUINCENTENARY n. a five-hundredth anniversary, also QUINGENTENARY.
QUINCENTENNIALS• quincentennials n. Plural of quincentennial.
• QUINCENTENNIAL n. a five hundred year anniversary.
QUINGENTENARIES• QUINGENTENARY n. a five-hundredth anniversary, also QUINCENTENARY.
QUINQUAGENARIAN• quinquagenarian n. (Obsolete, rare) Synonym of pentecoster: an officer who commands 50 men.
• quinquagenarian n. Synonym of fiftysomething: a person between 50 and 59 years old.
• quinquagenarian adj. (Obsolete, rare) Of or related to command over 50 men.
QUINQUEVALENCES• QUINQUEVALENCE n. pentavalency, also QUINQUEVALENCY, QUINQUIVALENCE, QUINQUIVALENCY.
QUINQUIVALENCES• QUINQUIVALENCE n. the state of being quinquivalent, having a valency of five, also QUINQUEVALENCE, QUINQUEVALENCY, QUINQUIVALENCY.
QUINTESSENTIALS• quintessentials n. Plural of quintessential.
• QUINTESSENTIAL n. something that is a typical part or pure example.
QUINTUPLICATING• quintuplicating v. Present participle of quintuplicate.
• QUINTUPLICATE v. to make quintuple or fivefold.
QUINTUPLICATION• quintuplication n. Multiplication by five.
• QUINTUPLICATION n. multiplication fivefold.

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 WikWik.org and 1Word.ws.

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See this list for:

  • English Wiktionary: 41 words
  • Scrabble in French: 11 words
  • Scrabble in Spanish: 25 words
  • Scrabble in Italian: 30 words
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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