9 Letter Words Starting with IS

Discover 63 playable English 9 letter words that start with IS, from Isolation, Isolating, Isometric, Isosceles, Isotropic, Isopropyl and Isobutane to rarer plays. Each entry is verified for Scrabble, Wordle, crosswords, and daily writing, complete with letter counts and meanings below.

Playing a word game? Score tiles & test blanks
Word Finder
Refine list...
JUMP:
Sort:
Group:
Case:
View:
JUMP TO:
Select any word to view available definitions & photosSelect any word for details
Starts with ISA2 words
isagogics
isallobar
Starts with ISC2 words
ischiatic
ischiadic
Starts with ISE3 words
iseikonia
iseikonic
isenergic
Starts with ISI1 words
isinglass
Starts with ISL3 words
islamabad
islanding
islomania
Starts with ISM1 words
ismatical
Starts with ISO24 words
isolation
isolating
isometric
isosceles
isotropic
isopropyl
isobutane
isoniazid
isomerize
isooctane
isotactic
isostatic
isomerism
isobutene
isochoric
isomerase
isolative
isochrone
isopycnal
isohyetal
isoenzyme
isobarism
isobathic
isoclinic
Starts with ISP1 words
ispaghula
Starts with ISS1 words
issueless

•Browse Words by Letter (A to Z)

Select a starting letter to browse words
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
DictionarySynonymsAntonymsWords
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.