Words formed from any letters in efficaciously plus optional blank

b -

sociable₁₅

sociably₁₇

d -

scaffold₁₉

sclaffed₁₉

scuffled₂₀

solidify₁₅

souffled₁₇

sufficed₁₉

suicidal₁₄

g -

uglifies₁₅

i -

silicify₁₇

l -

silicula₁₄

socially₁₅

n -

scenical₁₆

silicone₁₃

sniffily₁₈

snuffily₁₉

succinyl₁₉

sulfonic₁₇

uneasily₁₃

unicycle₁₉

unifaces₁₆

unsafely₁₆

unsocial₁₄

p -

scopulae₁₆

specific₂₀

spiculae₁₆

spiffily₂₀

q -

siliquae₁₉

r -

scarcely₁₇

sclaffer₁₈

scrofula₁₆

scuffler₁₉

siffleur₁₆

sufficer₁₈

yourself₁₅

s -

salifies₁₂

scolices₁₅

scuffles₁₉

souffles₁₆

suffices₁₈

t -

scilicet₁₅

silicate₁₂

societal₁₂

stuffily₁₈

sufflate₁₆

sulfitic₁₆

v -

salvific₁₉

vacuoles₁₇

vesicula₁₇

vocalics₁₉

vocalise₁₆

voiceful₂₀

w -

scofflaw₂₁

x -

suffixal₂₃