Countable Nouns Starting with OCT and Containing T

Browse 56 valid English countable nouns starting with OCT and containing T, from Octopus, Octave, Octagon, Octane, Octet, Octogenarian and Octavo to rarer terms. Check definitions and spelling below, or visit our noun grammar guide to review singular and plural count rules.

Refine list...
JUMP:
Sort:
Group:
Case:
View:
JUMP TO:
Select any word to view available definitions & photosSelect any word for details
Starts with OCTA21 words
octave
octagon
octane
octavo
octahedron
octant
octanol
octahedrite
octapeptide
octad
octameter
octangle
octarchy
octastyle
octastich
octachord
octapla
octapody
octakishexahedron
octastichon
octandrian
Starts with OCTE
2 words
octet
octennial
Starts with OCTI4 words
octillion
octillionth
octingentenary
octingenary
Starts with OCTO22 words
octopus
octogenarian
octothorp
octocopter
octothorpe
octoroon
octopod
octosyllabic
octopoid
octoploid
octonary
octosyllable
octodecimo
octofoil
octopodan
octodecillion
octostyle
octogenary
octocentenary
octonarius
octopusher
octonarian
Starts with OCTR
1 words
octroi
Starts with OCTU5 words
octuple
octuplet
octuplex
octuplicate
octuor
Starts with OCTY
1 words
octyl

•Browse Countable Nouns by Letter (A to Z)

Select a starting letter to browse countable nouns
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Word Games & Solvers
Word FinderScrabble Word FinderWords With Friends CheatWordle SolverAnagram Solver
Dictionary & Reference
DictionarySynonymsAntonymsWordsVocabulary HubPositive WordsNegative Words
Community
Contact UsEditorial PolicyPrivacy PolicyTerms and Conditions
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.