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There are 6 thirteen-letter words beginning with ORTHOP

ORTHOPAEDICALorthopaedical adj. Pertaining to orthopaedics; characteristic of orthopaedia.
orthopædical adj. Obsolete typography of orthopedical.
ORTHOPAEDICAL adj. relating to orthopaedics, also ORTHOPAEDIC, ORTHOPEDIC.
ORTHOPAEDISTSorthopaedists n. Plural of orthopaedist.
ORTHOPAEDIST n. a specialist in orthopaedy, also ORTHOPEDIST.
ORTHOPINAKOIDORTHOPINAKOID n. in monoclinic crystals, a form consisting of two faces parallel to the orthodiagonal and the vertical axis.
ORTHOPTERISTSorthopterists n. Plural of orthopterist.
ORTHOPTERIST n. a student of insects.
ORTHOPTEROIDSorthopteroids n. Plural of orthopteroid.
ORTHOPTEROID n. a member of the Orthoptera, cockroaches.
ORTHOPYROXENEorthopyroxene n. (Mineralogy) Any pyroxene that forms orthorhombic crystals.
ORTHOPYROXENE n. a member of the pyroxene group of minerals having an orthorhombic crystal structure, such as enstatite and hypersthene.

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: 19 words
  • Scrabble in French: 5 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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