Heavier rhymes with:
bevier, bevier, crevier, govier, janvier, louvier, metivier, revier, vandivier, vivier
Heavier sounds like:
haber, haberer, hafer, happier, hauber, haufer, hauver, haver, havier, hawver, heber, heberer, hebrew, heifer, hepfer, hepper, heyboer, hibor, hieber, hipper, hoefer, hoeper, hofbauer, hofer, hoffer, hoffpauir, hooper, hoover, hopfer, hopper, hover, however, huber, hubor, hueber, hufbauer, huffer, hupfer, hyper