Mckern rhymes with:
kearn, kern, kirn, adjourn, ahearn, ahern, aherne, alpern, amburn, bern, berne, burn, burne, byrne, cern, chern, cherne, churn, concern, dern, discern, durn, earn, erne, fearn, fern, hearn, hearne, hern, herne, hirn, hurn, kearn, kern, kirn, laverne, learn, mcgurn, new-bern, o'beirne, o'byrne, o'hearn, o'hern, obyrne, ohearn, ohern, return, sauterne, spurn, stearn, stearne, stern, sterne, stirn, sturn, thurn, turn, unconcern, upturn, urn, vern, verne, yearn, zurn
Mckern sounds like:
macarena, macaroni, maccarone, maceachern, macrame, magarian, magerman, magrane, magrini, mammogram, mangrum, mascarena, mazzorana, mccaghren, mccarn, mccarney, mccarran, mccarren, mccarron, mccraney, mccranie, mccrimmon, mccrone, mccrum, mceachern, mcgrain, mcgranahan, mcgrane, mcgurn, mckernan, mckiernan, mcrainey, mcraney, micron, migraine, missourian, mohnkern, monochrome, monogram, mushroom