Congested rhymes with:
ingested, ingested, suggested, arrested, breasted, chested, contested, crested, infested, ingested, invested, nested, protested, rested, smestad, suggested, tested, vested
Congested sounds like:
canasta, canoeist, canonized, canwest, changed, chemist, chengdu, cinched, cincotta, coincide, coincided, comcast, commenced, communicate, communicated, communist, comsat, concede, conceded, conceit, conceited, conchita, conchoid, concoct, concocted, congest, conjugate, conjugated, connaught, connect, connected, conquest, consist, consisted, constitute, constituted