adjective to noun
active
activity
secret
secretive
create
creative
Could you ___ me a favour?
do
open
openness
effect
effective
thank
thankful
They didn't have a map so they _____ lost.
got
simple
simplicity
pain
painful
play
playful
Spain is very bit ___________ Andorra is very small.
whereas
popular
popularity
harm
harmful
stress
stressful
The exam sounds really difficult. ___ __ ______ ____ __ ______ study hard.
if I were you I would (I'd)