blind
blindness
differ
difference
import
importance
kind
kindness
predict
prediction
lazy
laziness
pollute
pollution
active
activity
accurate
accuracy
occur
occurrence
quiet
quietness
stupid
stupidity
popular
popularity
educate
education
secure
security
appear
appearance
private
privacy
fit
fitness
weak
weakness
collect
collection
creative
creativity
lonely
loneliness
relax
relaxation
imagine
imagination