Words formed from any letters in effectivities plus optional blank

13 letters

A-Z

a -

affectivities₂₆

11 letters

A-Z

n -

ineffective₂₅

s -

festivities₁₈

y -

effectivity₂₆

10 letters

A-Z

a -

activities₁₇

d -

defectives₂₁

detectives₁₈

l -

felicities₁₇

9 letters

A-Z

a -

acetifies₁₅

affective₂₂

factitive₁₉

d -

defective₂₀

detective₁₇

dietetics₁₃

feticides₁₆

fideistic₁₆

testified₁₃

h -

fiftieths₁₇

j -

ejectives₂₅

l -

celestite₁₃

cleveites₁₇

cliffiest₁₉

electives₁₇

fleeciest₁₆

selective₁₇

m -

victimise₁₉

n -

efficient₁₉

infective₂₀

p -

pietistic₁₅

r -

certifies₁₅

effecters₁₈

feetfirst₁₅

rectifies₁₅

secretive₁₆

serviette₁₃

testifier₁₂

vitrifies₁₆

s -

feistiest₁₂

testifies₁₂

y -

festivity₁₈

8 letters

A-Z

a -

b -

d -

g -

h -

j -

l -

m -

n -

o -

p -

r -

s -

t -

u -

v -

w -

x -

7 letters

A-Z

a -

b -

d -

g -

h -

j -

k -

l -

m -

n -

o -

p -

r -

s -

t -

u -

v -

w -

x -

y -

6 letters

A-Z

a -

b -

c -

d -

g -

h -

j -

k -

l -

m -

n -

o -

p -

r -

s -

u -

w -

x -

y -

z -

5 letters

A-Z

a -

b -

c -

d -

g -

h -

j -

k -

l -

m -

n -

o -

p -

r -

s -

u -

w -

x -

y -

z -

4 letters

A-Z

a -

b -

d -

g -

h -

j -

k -

l -

m -

n -

o -

p -

r -

s -

u -

w -

x -

y -

3 letters

A-Z

a -

b -

d -

g -

h -

j -

k -

l -

m -

n -

o -

p -

r -

s -

u -

w -

x -

y -

z -

2 letters

A-Z

a -

b -

d -

h -

l -

m -

n -

o -

p -

r -

u -

w -

x -

y -