Nato (born in Italian, or North Atlantic Treaty Organization)
Nano (prefix)
Nano is also dwarf in Italian
Sano (healthy in Italian)
sane
Sante (holy)
Already said
sate
Gate
Gatte
gatto
Gato
Cato, the Latin name
Caro
Cairo
Caio
cào
cavo
Lavo
clavo (I nail, Latin)
Clava