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There are 7 six-letter words beginning with OCTA

OCTADS• octads n. Plural of octad.
• OCTAD n. a group of eight.
OCTALS• octals n. Plural of octal.
• OCTAL n. a number system with a base of eight.
OCTANE• octane n. (Organic chemistry) Any of the eighteen isomeric aliphatic hydrocarbons (C8H18) found in petroleum…
• octane n. Octane number.
• OCTANE n. any of a series of saturated hydrocarbons.
OCTANS• octans n. Plural of octan.
• Octans prop.n. (Astronomy) A small circumpolar constellation of the southern sky, said to resemble an octant. It lies…
• OCTAN n. a fever recurring every eight day.
OCTANT• octant n. The eighth part of a circle; an arc of 45 degrees.
• octant n. (Astrology) The aspect of two planets that are 45°, or one-eighth of a circle, apart.
• octant n. (Geometry) The eighth part of a disc; a sector of 45 degrees; half a quadrant.
OCTAVE• octave n. (Music) An interval of twelve semitones spanning eight degrees of the diatonic scale, representing a…
• octave n. (Music) The pitch an octave higher than a given pitch.
• octave n. (Music) A coupler on an organ which allows the organist to sound the note an octave above the note of…
OCTAVO• octavo n. (Paper, printing) A sheet of paper 7 to 10 inches (= 17.78 to 25.4 cm) high and 4.5 to 6 inches (= 11…
• octavo n. (Printing) A book of octavo pages.
• OCTAVO n. (Latin) a page size, also EIGHTVO.

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: 8 words
  • Scrabble in French: 6 words
  • Scrabble in Spanish: 4 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: 4 words


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