Finucane rhymes with:
baudoin, boatswain, chapdelaine, chilblain, cyclohexane, duplechain, hexane, ibogaine, lamountain, madelaine, moscowane, octane, ptomaine, ramtane, tremayne
Finucane sounds like:
fanchon, fangman, feminism, fincannon, fincham, finchum, finegan, finigan, finken, finnegan, finnicum, finnigan