Paint + et = painter - someone who paints
kind + ness = kindness - someone who is kind
invent + or = inventor - someone who invents
great + ness = greatness - something to be achieved, by a leader or a country (for example)
la testa
head
il naso
nose
la bocca
mouth
Don't you have a story that goes with this. I would have to read the story in order to find out the answer.