Or search: zero, digit, cipher, cypher, nought
2 Syllables: SU
credo, Deo, depot, eco, ego, erode, Geo, Guido, hero, heroes, hero's, ito, KINO, Leo, lino, negro, negroes, neo, Nero, Philo, primo, Rico, Rio, Theo, trio, veto, vivo, zero
3 Syllables: USU
amino, Casino, Marino, mosquito, Shapiro, Toledo, torpedo
4 Syllables: UUSU
Constantino, Galileo, incognito

Found 38 words across 3 groupings.