Eckstein rhymes with:
buckstein, glickstein, aronstein, augustine, bartlestein, boeschenstein, braunstein, brillstein, bronstein, buckstein, dobberstein, epstein, ernestine, feuerstein, fierstein, finkelstein, fromstein, glickstein, goberstein, grinstein, grubstein, grudenstein, hammerstein, holstein, lichtenstein, lipstein, mangosteen, nothstein, osteen, pfundstein, philistine, rubinstein, safferstein, schottenstein, silberstein, silverstein, springsteen, vogelstein, wasserstein, wetstein, wintersteen, zumstein
Eckstein sounds like:
eastham, eastin, eastman, easton, echidna, ecosystem, ecton, eighteen, ejection, equation, equitation, estan, esteem, estonia, estonian, exaction, excitation, execution, executone, exhaustion, exton, eyestone