Uliassi rhymes with:
assay, bassi, blassie, brassy, cassie, chassis, classy, glassey, glassy, grassi, grassy, hassey, kasey, lassie, malagasy, masci, massey, massi, massie, passey, rasey, sassi, sassy, selassie, stassi, tallahassee, tassi, vasey, vassey
Uliassi sounds like:
uhlich, uhlig, uhls, ulch, ulee's, uliaski, uliassi's, ullock, ullyses, ulsh, ulysses