10-Letter Words Starting with 'OCT'

A reference list of 18 English 10-letter words starting with 'OCT', such as Octahedral, Octahedron, Octocopter and Octothorpe. Use the interactive filters below to sort alphabetically or by length, and check definitions for every word.

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Starts with OCTA8 words
octahedral
octahedron
octangular
octaploidy
octandrous
octamerous
octandrian
octavalent
Starts with OCTO10 words
octocopter
octothorpe
octopamine
octodecimo
octogenary
octopodous
octonarius
octopusher
octonarian
octogynous
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