List of 9-letter words beginning with

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There are 19 nine-letter words beginning with QUAD

QUADDINGS	• QUADDING n. the practice of birdwatching in a specific area.
QUADPLAYS	• quadplays n. Plural of quadplay. • quad␣plays n. Plural of quad play. • QUADPLAY n. the supply to a customer by one provider of television, internet and both fixed-line and mobile telephony, also FOURPLAY.
QUADRANTS	• quadrants n. Plural of quadrant. • QUADRANT n. a quarter section of a circle.
QUADRATED	• quadrated v. Simple past tense and past participle of quadrate. • QUADRATE v. to conform or agree.
QUADRATES	• quadrates v. Third-person singular simple present indicative form of quadrate. • QUADRATE v. to conform or agree.
QUADRATIC	• quadratic adj. Square-shaped. • quadratic adj. (Mathematics) of a polynomial, involving the second power (square) of a variable but no higher powers… • quadratic adj. (Mathematics) of an equation, of the form 𝑎𝑥²+𝑏𝑥+𝑐＝0.
QUADRATUS	• quadratus n. (Anatomy) Any of several roughly square or rectangular muscles, e.g. in the abdomen, thigh, and eye socket. • QUADRATUS n. the name of several quadrangular muscles.
QUADRELLA	• quadrella n. (Gambling, horse racing, Australia, New Zealand) A bet where the bettor must pick the winners of four… • QUADRELLA n. (Australian) a group of four horse races at a meeting for which the punter has to select the four winners.
QUADRICEP	• quadricep n. Quadriceps. • QUADRICEP n. the great extensor muscle of the knee, divided above into four parts which unite in a single tendon at the knee.
QUADRIFID	• quadrifid adj. Divided, or deeply cleft, into four parts. • QUADRIFID adj. four-part (as with a leaf).
QUADRIGAE	• quadrigae n. Plural of quadriga. • QUADRIGA n. (Latin) a four-horse chariot.
QUADRIGAS	• quadrigas n. Plural of quadriga. • QUADRIGA n. (Latin) a four-horse chariot.
QUADRILLE	• quadrille n. A dance originating in the mid-1700s with four couples forming a square, rather much like the modern square dance. • quadrille n. The music for this dance. • quadrille n. (Card games) A Spanish trick-taking card game from the 1700s played with a 40-card deck.
QUADRIVIA	• quadrivia n. Plural of quadrivium. • QUADRIVIUM n. (Latin) a higher division of seven liberal arts studied in the Middle Ages, comprising arithmetic, music, astronomy, geometry.
QUADROONS	• quadroons n. Plural of quadroon.
QUADRUMAN	• quadruman n. Alternative form of quadrumane. • QUADRUMAN n. a former name for primates other than man, also QUADRUMANE.
QUADRUPED	• quadruped n. A four-footed or four-legged animal. • quadruped n. A mammal ambulating on all fours. • QUADRUPED n. a four-footed animal.
QUADRUPLE	• quadruple adj. Being four times as long, as big or as many of something. • quadruple v. (Transitive) To multiply by four. • quadruple v. (Intransitive) To increase by a factor of four.
QUADRUPLY	• quadruply adv. Four times. • quadruply adv. In four (often different) ways. • QUADRUPLY n. (Scots) a reply to a triply.

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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English Wiktionary: 51 words
Scrabble in French: 9 words
Scrabble in Spanish: no word
Scrabble in Italian: 35 words
Scrabble in German: 13 words
Scrabble in Romanian: no word

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