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List of 13-letter words beginning with

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There are 5 thirteen-letter words beginning with OCTO

OCTOCENTENARYoctocentenary n. An eight-hundredth anniversary.
OCTOCENTENARY n. an eight-hundredth anniversary, also OCTINGENARY, OCTINGENTENARY.
OCTODECILLIONoctodecillion n. (US, modern British and Australian, short scale, rare) 1057.
octodecillion n. (Dated British and Australian, long scale, rare) 10108.
OCTODECILLION n. ten to the 108th power.
OCTOGENARIANSoctogenarians n. Plural of octogenarian.
OCTOGENARIAN n. a person whose age is in the eighties.
OCTOSYLLABICSoctosyllabics n. The use of octosyllabic lines in poetry.
OCTOSYLLABIC n. an octosyllabic line.
OCTOSYLLABLESoctosyllables n. Plural of octosyllable.
OCTOSYLLABLE n. a word or line of eight syllables.

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: 15 words
  • Scrabble in French: 1 word
  • Scrabble in Spanish: 3 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: 13 words


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