Uncountable Nouns That Start with OCT

Browse 12 English uncountable nouns starting with the prefix OCT, including Octopus, Octane, Octal, Octyl, Octanol, Octopamine and Octahedrite. Sort these mass nouns and non-count terms for substances and concepts by letter count for quantifier accuracy, academic writing, and ESL study, or consult our noun grammar guide.

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Starts with OCTA
8 words
octane
octal
octanol
octahedrite
octameter
octaplas
octaploidy
octapody
Starts with OCTO
2 words
octopus
octopamine
Starts with OCTR
1 words
octroi
Starts with OCTY
1 words
octyl

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