Snicker rhymes with:
knicker, bicker, bricker, clicker, dicker, ficker, flicker, fricker, kicker, knicker, licker, liquor, macvicar, mcvicar, mcvicker, picker, quicker, redicker, ricker, schicker, schlicher, schlicker, schricker, sicker, slicker, sticker, stricker, thicker, ticker, vicar, vicker, whicker, wicker, zwicker, zycher
Snicker sounds like:
saenger, samcor, samsara, sanger, sankara, sanker, schenker, schmeiser, schmoker, schmucker, schnauzer, schoemaker, schoenecker, schomaker, schoonmaker, schuhmacher, schumacher, schumacker, schumaker, schwenker, schwinger, seckinger, seneker, senger, sensor, sensory, shangri, shankar, shanker, shenker, shewmaker, shoemaker, shomaker, shoumaker, shumaker, sickinger, sinagra, sincere, singer, sinker, smasher, smoker, smucker, smyser, snagger, snazzier, sneaker, snooker, songer, suncor, sunseri, swanger, swinger, swonger, synchro, syncor