Internet rhymes with:
ethernet, seniornet, allnet, arpanet, avnet, bayonet, bissonnette, cellnet, dragnet, driftnet, ethernet, filenet, imnet, instinet, investnet, massenet, raynet, robinette, rudnet, sassnet, selectnet, seniornet, spacenet, telenet, tymnet, usenet
Internet sounds like:
indeterminate, interand, intermedia, intermediate, intermet, interned, internment, interrante, interrent