Răspuns :
a . bun bunisor a imbuna , imbunare , bunicel , a imbunatati , bunatate
b bunic bunicuta strabunic bunica strabun
"Bun" ca adjectiv: bunisor,a imbuna,imbunare,bunicel,a imbunatati,bunatate.
"Bun" ca substantiv( grad de rudenie): bunic,bunicuta,bunica,strabun