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List of 9-letter words beginning with

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There are 11 nine-letter words beginning with ORTHO

ORTHOAXESORTHOAXIS n. in crystallography, the orthodiagonal.
ORTHOAXISORTHOAXIS n. in crystallography, the orthodiagonal.
ORTHODOXYorthodoxy n. Correctness in doctrine and belief.
orthodoxy n. Conformity to established and accepted beliefs (usually of religions).
Orthodoxy prop.n. The Eastern Orthodox Church.
ORTHOEPICorthoepic adj. Of or relating to orthoepy in its various senses…
ORTHOEPIC adj. relating to orthoepy, the study of correct pronunciation, also ORTHOEPICAL.
ORTHOPEDYorthopedy n. Archaic form of orthopedics.
ORTHOPEDY n. the art or process of curing deformities arising from (originally childhood) disease or injury, also ORTHOPAEDICS, ORTHOPAEDY, ORTHOPEDIA, ORTHOPEDICS.
ORTHOPODSorthopods n. Plural of orthopod.
ORTHOPOD n. (slang) an orthopaedic surgeon.
ORTHOPTERorthopter n. Any insect of the order Orthoptera.
orthopter n. Synonym of ornithopter.
ORTHOPTER n. a type of aircraft propelled with flapping wings.
ORTHOPTICorthoptic adj. Relating to orthoptics, the study and treatment of muscular irregularities of the eye.
orthoptic n. (Geometry) The isoptic whose given angle is a right angle.
ORTHOPTIC adj. pertaining to correct vision.
ORTHOTICSorthotics n. (Medicine) The design, manufacture and installation of orthopedic appliances to support, straighten…
orthotics n. Plural of orthotic.
ORTHOTICS n. the branch of medicine that uses prosthetics to support weakened limbs.
ORTHOTISTorthotist n. A person who makes or fits orthotic devices.
ORTHOTIST n. one skilled in orthotics.
ORTHOTONEorthotone adj. (Grammar) Retaining the accent; not enclitic; said of certain indefinite pronouns and adverbs when used…
ORTHOTONE adj. taking an accent in certain positions but not in others, also ORTHOTONIC.
ORTHOTONE n. an orthotone word.

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: 34 words
  • Scrabble in French: 4 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: 7 words
  • Scrabble in Romanian: no word


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