Abstract Nouns That Start with OCT

Browse 22 English abstract nouns starting with the prefix OCT, including Octave, Octane, Octet, Octal, Octuple, Octillion and Octennial. Sort these idea words for emotions, qualities, and intangible concepts by letter count for essay writing, poetry, and expressive communication, or consult our noun grammar guide.

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Starts with OCTA
9 words
octave
octane
octal
octameter
octangle
octarchy
octachord
octaploidy
octapody
Starts with OCTE
2 words
octet
octennial
Starts with OCTI
4 words
octillion
octillionth
octingentenary
octingenary
Starts with OCTO
5 words
octosyllabic
octonary
octodecillion
octocentenary
octonarius
Starts with OCTR
1 words
octroi
Starts with OCTU
1 words
octuple

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