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List of 13-letter words beginning with

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There are 4 thirteen-letter words beginning with DIO

DIOECIOUSNESS• dioeciousness n. (Biology) The state or quality of being dioecious.
• DIOECIOUS n. having male and female sexual organs in different individuals, also DIECIOUS, DIOICOUS.
DIOPTOMETRIES• DIOPTOMETRY n. the measurement of ocular refraction.
DIORISTICALLY• DIORISTICAL adv. serving to distinguish, also DIORISTIC.
DIOTHELETICAL• DIOTHELETICAL adj. relating to ditheletism, the doctrine that Christ had two wills, also DITHELETIC, DITHELETICAL.

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 1Word.ws and WikWik.org.

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See this list for:

  • English Wiktionary: 8 words
  • Scrabble in French: 2 words
  • Scrabble in Spanish: 2 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: 5 words


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