Oxide rhymes with:
dioxide, dockside, peroxide, superoxide, backside, brookside, dioxide, dockside, exide, lakeside, parkside, peroxide, superoxide
Oxide sounds like:
oakite, oakwood, oct, oct., octet, oest, ogata, ojeda, okada, okayed, okdo, okuda, oozed, osgood, oshita, ossetia, ost, ostia, ought, oughta, oust, ousted