efficacious

1. Producing or capable of producing a desired effect. See Synonyms at effective.

2. Having the power to produce a desired effect .

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Top Words by points	Points	Word Game
efficacious	21	Scrabble

2 Letters	Scrabble® Points
ae	2
ai	2
as	2
ef	5
es	2
fa	5
fe	5
if	5
is	2
oe	2
of	5
oi	2
os	2
si	2
so	2
us	2

3 Letters	Scrabble® Points
ace	5
aff	9
ais	3
caf	8
cis	5
cos	5
cue	5
eau	3
eco	5
ecu	5
eff	9
efs	6
fas	6
fes	6
feu	6
fie	6
foe	6
fou	6
ice	5
iff	9
ifs	6
oaf	6
oca	5
oes	3
off	9
ose	3
sac	5
sae	3
sau	3
sea	3
sec	5
sei	3
sic	5
soc	5
sou	3
sue	3
use	3

4 Letters	Scrabble® Points
aces	6
asci	6
cafe	9
caff	12
cafs	9
case	6
ceca	8
ciao	6
coca	8
coff	12
coif	9
cues	6
cuff	12
cuif	9
ecos	6
ecus	6
effs	10
face	9
feus	7
fice	9
fico	9
fief	10
fife	10
fisc	9
foci	9
foes	7
fuci	9
fuse	7
ices	6
oafs	7
ocas	6
offs	10
safe	7
seif	7
sice	6
soca	6
sofa	7

5 Letters	Scrabble® Points
cafes	10
caffs	13
cause	7
cisco	9
cocas	9
coffs	13
coifs	10
cosec	9
cosie	7
cuffs	13
cuifs	10
cusec	9
faces	10
fices	10
ficus	10
fiefs	11
fifes	11
focus	10
saice	7
sauce	7
scoff	13
scuff	13
secco	9

6 Letters	Scrabble® Points
accuse	10
caseic	10
coiffe	14
facies	11
fauces	11
fiasco	11
ficoes	11
fucose	11
office	14

7 Letters	Scrabble® Points
coiffes	15
offices	15
suffice	15

11 Letters	Scrabble® Points
efficacious	21