Rust's rhymes with:
crusts, distrusts, mistrusts, rusts, thrusts, trust's, trusts, trusts', adjusts, busts, chustz, crusts, disgusts, distrusts, dusts, gusts, mistrusts, rusts, thrusts, trust's, trusts, trusts'
Rust's sounds like:
racists, rackets, racquets, ragtag, rastus, reacts, recedes, recites, regattas, rejects, requests, requisites, resets, resides, residues, resists, restage, restates, restock, rests, richts, rickets, ricketts, right's, righteous, rightish, rights, rights', rigidities, riksdag, roasts, rocket's, rockets, rockettes, roget's, rosettes, rosewood's, rostuca, rushdie's, russets, rustic, rusts, rusty's, rustys