Toniest rhymes with:
vannest, bankeast, beast, ceased, deceased, decreased, east, feast, fleeced, greased, increased, keast, leased, least, northeast, pieced, policed, priest, released, se, southeast, teast, trendiest, trieste, unreleased, vannest, weast, yeast
Toniest sounds like:
tanked, tannest, teenaged, tenacity, thanked, thinnest, tinged, tiniest, tomasetti, tomassetti, tomcat, tongued, tonight, tungate, tunicate, twinjet