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There is only one ten-letter word beginning with ORTHOGONA

ORTHOGONALorthogonal adj. (Geometry) Of two objects, at right angles; perpendicular to each other.
orthogonal adj. (Mathematics).
orthogonal adj. (Statistics) Statistically independent, with reference to variates.

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.

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See this list for:

  • English Wiktionary: 1 word
  • Scrabble in French: 1 word
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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