Reliefs rhymes with:
bas-reliefs, bas-reliefs, bas-reliefs, beliefs, leafs, bas-reliefs, beefs, beliefs, briefs, chief's, chiefs, chiefs', debriefs, fiefs, hafif's, leafs, motifs, o'keeffe's, reefs, thief's
Reliefs sounds like:
railbike, ralph's, ralphs, relapse, relapses, relieves, roelofs, rohlfs, rolfes, rolfs, rollback, rollbacks, rulebook