Răspuns :
piatra: impietrit,pietrar, pietricita
padure: padurice,padurar,impadurit,despadurit
padure: padurice,padurar,impadurit,despadurit
pietros pietrararie impetrit despietrit pietricica
padurar padurareasa padurice impadurit despadurit
padurar padurareasa padurice impadurit despadurit