Relegate rhymes with:
delegate, delegate, obligate, abrogate, castigate, congregate, corrugate, delegate, desegregate, fumigate, instigate, interrogate, investigate, irrigate, koreagate, mitigate, navigate, obligate, propagate, segregate, subjugate
Relegate sounds like:
realestate, realist, realized, reallocate, reallocated, reelect, reelected, relaxed, released, relegated, religiosity, relished, relocate, relocated, royalist