Words with EFF

Explore 159 playable English words containing the letters EFF, including Effect, Effective, Effects, Effort, Jeff, Efficiency and Efficient. Verified for Scrabble, Wordle, crosswords, and daily writing, check letter counts and definitions 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 A
1 words
aftereffect
Starts with C
9 words
coefficient
cheffy
coeffect
countereffort
coefficacy
counterefficiency
coeffluent
coefficiently
coeffluential
Starts with D
2 words
deffo
dieffenbachia
Starts with E
24 words
effect
effective
effects
effort
effectively
efficiency
efficient
effectiveness
efficiently
efficacy
effortlessly
effortless
effigy
effing
effervescent
eff
effusive
effluent
effectual
effeminate
efficacious
effortful
effusion
effervescence
Starts with G
2 words
greffier
griefful
Starts with H
4 words
heffalump
hasenpfeffer
hyperefficient
hyperefficiency
Starts with I
23 words
ineffective
inefficient
inefficiency
ineffectively
ineffectiveness
ineffectual
ineffectually
inefficiently
ineffable
ineffably
ineffaceable
ineffability
inefficacious
ineffectualness
ineffectuality
inefficacy
ineffaceably
inefficaciously
ineffableness
ineffaceability
inefficaciousness
inefficacity
ineffervescibility
Starts with J
3 words
jeff
jeffing
jeffersonia
Starts with K
2 words
keffiyeh
keffel
Starts with M
2 words
meff
maleffect
Starts with N
4 words
noneffective
noneffectively
noneffervescently
nonefficaciously
Starts with O
2 words
overeffusiveness
overeffusive
Starts with R
1 words
reffo
Starts with S
11 words
sheffield
supereffective
superefficient
schefflera
supereffectively
superefficiency
supereffectiveness
scheffel
schaefferia
subeffectiveness
schefferite
Starts with T
1 words
teff
Starts with U
4 words
ultraefficient
uneffected
uneffaced
uneffervescently

•Browse Words by Letter (A to Z)

Select a letter to browse words containing it
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.