Knicker rhymes with:
snicker, bicker, bricker, clicker, dicker, ficker, flicker, fricker, kicker, licker, liquor, macvicar, mcvicar, mcvicker, picker, quicker, redicker, ricker, schicker, schlicher, schlicker, schricker, sicker, slicker, snicker, sticker, stricker, thicker, ticker, vicar, vicker, whicker, wicker, zwicker, zycher
Knicker sounds like:
kaneshiro, kangaroo, kasinger, kesinger, kessinger, kieninger, kincer, kingery, kingrey, kingry, kinker, kinser, kinzer, kissinger, komisar, konger