Harkin rhymes with:
arkin, barkin, clarkin, larkin, markin, parkin, arkin, barkin, clarkin, dworkin, larkin, markin, orkin, parkin, sorkin, sporkin, zorkin
Harkin sounds like:
harcum, hargan, harken, harrigan, harrison, harsham, harshman, heroism, herrhausen, hershman, hersman, hersom, herson, hirosakima, hiroshima, hirschman, hirschmann, hirshman, horgan, horizon, horrigan, horseman, horsemen, horsham, horsman, hourigan, hurricane