Cleckner rhymes with:
kleckner, kleckner, lechner, beckner, fechner, kleckner, lechner, reckner, bachner, beckner, bickner, birkner, bochner, brickner, brockner, brookner, bruckner, brueckner, buchner, buckner, buechner, clickner, dankner, eichner, falkner, faulkner, fechner, felkner, forkner, glockner, gloeckner, hochbrueckner, ikner, kelchner, kerchner, kirchner, kirkner, kleckner, klinkner, kloeckner, lackner, lechner, leichner, lochner, lockner, reckner, richner, rickner, schachner, tickner, ticknor, vicknair, wachner, walkner, zeichner