Is INEFFICACY a valid Scrabble word?
Yes, INEFFICACY is a valid word in US Scrabble and UK Scrabble, worth 23 points.
Base score before bonus squares; blank tiles score zero.
What does INEFFICACY mean?
- noun
a lack of efficacy
Definitions from WordNet 3.1, Princeton University.
Points
23
Scrabble
25
Words With Friends
10
Letters
I (1) + N (1) + E (1) + F (4) + F (4) + I (1) + C (3) + A (1) + C (3) + Y (4) = 23 points in Scrabble.
Dictionary status
- Scrabble (US & Canada)Valid
- Scrabble (UK & worldwide)Valid
- Words With FriendsListed
Scrabble lists: NWL2023 (US & Canada) and CSW24 (UK & worldwide). WWF uses our ENABLE reference plus verified additions. “Listed” and “Not listed” describe that reference; check acceptance in the game. Sources reviewed 2026-10-03.
Hooks for INEFFICACY
INEFFICACY has no one-letter front or back hooks in US Scrabble. Adding a single letter to either end does not make another word in that list.
Front hooks0
None — nothing can be added to the front.
Back hooks0
None — nothing can be added to the end.
Words you can make from INEFFICACY
The 60 highest-scoring words using these letters.
- efficacy21
- caffeinic19
- fancify18
- caffein15
- fanfic14
- niffy14
- cyanic13
- fancy13
- iffy13
- yaff13
- affine12
- cynic12
- caff12
- fyce12
- fiance11
- acinic10
- ficin10
- finca10
- yince10
- fief10
- fife10
- naff10
- niff10
- cafe9
- cyan9
- face9
- fice9
- aff9
- eff9
- fay9
- fey9
- iff9
- ceca8
- caf8
- cay8
- icy8
- acini7
- ayin7
- fain7
- fane7
- fine7
- naif7
- neif7
- yean7
- acne6
- cain6
- cane6
- cine6
- nice6
- any6
- aye6
- fan6
- fen6
- fie6
- fin6
- nay6
- yea6
- yen6
- yin6
- ace5
Study INEFFICACY and related words
Have a full rack? Use the word finder to find every word you can play.