Nelligan rhymes with:
calligan, culligan, galligan, halligan, hooligan, milligan, mulligan, bennigan, berrigan, branigan, brannigan, calligan, cardigan, carrigan, corrigan, culligan, donigan, dunnigan, finigan, finnigan, flanigan, flannigan, galligan, garrigan, gavigan, halligan, hanigan, hannigan, harrigan, hartigan, henigan, hennigan, hooligan, kerrigan, landrigan, lanigan, madigan, merrigan, michigan, milligan, mulligan, obregon, rattigan, rustigan, shawinigan, shenanigan, stoffregen, swanigan
Nelligan sounds like:
nealson, neilsen, neilson, nelsen, nelson, nielsen, nielson, nihilism, nilsen, nilson, nilsson, nonalign