Countable Nouns Starting with I and Containing ST

Explore 197 verified English countable nouns starting with I and containing ST, including Interest, Investment, Industry, Institution, Instance, Investigation and Industrial. Browse these count nouns with singular and plural forms below, or review singular and plural count rules in our noun grammar guide.

Refine list...
JUMP:
Sort:
Group:
Case:
View:
JUMP TO:
Select any word to view available definitions & photosSelect any word for details
Starts with IA
2 words
iambist
iatrochemist
Starts with IC9 words
iconoclast
ichthyologist
iconostasis
iconologist
icestone
iconodulist
ichthyophagist
iconophilist
iconomachist
Starts with ID7 words
idealist
ideologist
idioblast
idyllist
idolist
idoloclast
ideopraxist
Starts with IL7 words
illustration
illustrator
illusionist
ileostomy
illuminist
illustrissimo
ileosigmoidostomy
Starts with IM24 words
impostor
imperialist
impressionist
immunologist
imposture
immodesty
impasto
imprest
imagist
impostume
immunostimulant
immoralist
imaginist
immaterialist
immersionist
immanentist
immunochemist
impossibilist
imposthume
impastation
immunopathologist
immunoassayist
impostumation
impostrix
Starts with IN24 words
interest
investment
industry
institution
instance
investigation
industrial
instrument
investor
instruction
instant
install
infrastructure
institute
installation
instagram
investigator
instrumental
instinct
instructor
injustice
instability
installer
interstate
Starts with IR8 words
irredentist
ironstone
ironist
ironmaster
irrationalist
iridologist
irreligionist
iridoconstrictor
Starts with IS7 words
isolationist
isthmus
ist
isthmian
istle
istana
isapostolic
Starts with IV
1 words
ivorist

•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.