Abreast rhymes with:
breast, brest, addressed, breast, brest, chrest, compressed, crest, depressed, digressed, distressed, dressed, expressed, impressed, oppressed, pressed, prest, progressed, repressed, rest, stressed, suppressed, transgressed, trest, unaddressed, undressed, unimpressed, unrest, wrest
Abreast sounds like:
abrogate, abrogated, affricate, aforesaid, appraised, appreciate, appreciated, apprised, approached, apricot, averaged