List of 9-letter words beginning with

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There are 9 nine-letter words beginning with OCTO

OCTOHEDRA	• octohedra n. Plural of octohedron. • OCTOHEDRON n. (Greek) a solid bounded by eight plane faces, also OCTAHEDRON.
OCTONARII	• octonarii n. Plural of octonarius. • OCTONARIUS n. in prosody, a line having eight feet, also OCTONARIAN.
OCTOPLOID	• octoploid adj. (Genetics) having eight complete sets of chromosomes in a single cell. • octoploid n. (Biology) a cell that has eight complete sets of chromosomes. • octoploid n. (Biology) an organism whose cells have eight complete sets of chromosomes.
OCTOPODAN	• octopodan adj. Relating to cephalopod molluscs of the order Octopoda. • OCTOPODAN n. an octopus or other eight-armed creature, also OCTOPOD.
OCTOPODES	• octopodes n. (Rare) plural of octopus. • octopodes n. (Rare) plural of octopode. • OCTOPUS n. (Greek) a nocturnal eight-armed mollusk.
OCTOPUSES	• octopuses n. Plural of octopus. • octopuses v. Third-person singular simple present indicative form of octopus. • OCTOPUS n. (Greek) a nocturnal eight-armed mollusk.
OCTOROONS	• octoroons n. Plural of octoroon.
OCTOSTYLE	• octostyle n. (Architecture) A temple or portico with eight columns in front. • OCTOSTYLE n. a building with eight columns, also OCTASTYLE.
OCTOTHORP	• octothorp n. Alternative spelling of octothorpe. • OCTOTHORP n. the symbol # on a telephone or keyboard (hash mark, pound sign, number sign).

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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English Wiktionary: 43 words
Scrabble in French: 4 words
Scrabble in Spanish: 7 words
Scrabble in Italian: no word
Scrabble in German: no word
Scrabble in Romanian: 17 words

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