Flannagan rhymes with:
flanagan, flanagan, flanagan, finnegan, flanagan, kernigan, mcclenaghan, barragan, bernhagen, buddenhagen, collagen, ellenbogen, finnegan, flanagan, gilligan, gruenhagen, hashagen, horrigan, imogen, kernigan, levenhagen, mcclenaghan, mcgettigan, o'callaghan, ocallaghan, oregon, sahagun, steffenhagen, sternhagen, traphagen, verhagen
Flannagan sounds like:
fillingame, fillingham, fillingim, flamson, flanagan, flanagin, flanigan, flannigan, flenniken, flinchum