Signorsò, for Signór súo, his Lord.
Signortò, for Signór túo, thy Lord.
Signozzáre, as Singhiozzáre.
Signózzi, as Singhiozzi.
Signúzzo, as Singhiózzo.
Siguráre, as Sicuráre, to assure.
Sigúro, as Sicúro, sure, assured.
Sigurtà, as Sicurtà, suretie.
Si'l, for Se il, if the, if it, if him.
Síla, as Síle.