Bennigan's rhymes with:
flanigan's, shenanigans, cardigans, corrigan's, flanigan's, hooligans, kerrigan's, michigan's, mulligans, rattigan's, shenanigans
Bennigan's sounds like:
banging, banishing, banking, banking's, benjamin's, bensing, benson's, benzing, binging, bounciness, bouncing, bunching