Allegheny's rhymes with:
alleghenies, alleghenies, alleghenies, alleghenies, alleghenies, bahrainis, cheney's, deniz, hany's, khomeini's
Allegheny's sounds like:
alaskans, alcan's, aligning, aligns, alkanes, alkenes, alleghenies, allegiance, allegiances, alleging, allgemeines, allison's, allusions