Synonyms of snicker

1 Syllable
knock, sneer, mock, laugh, yuck, smirk
2 Syllables
giggled, chuckling, guffaw, teehee, hee-haw, giggle, pealer, crack-ups, laughter, gurgling, shrieker, crower, laughed, chortled, cackler, cackling, giggler, chuckle, roarer, titters, chortler, chuckler, quacking, chortle, heehaw, laughters, shouter, twitters, chortling, tehee, chuckled, twitter, snigger, titter, quacked, cackled, giggling, crackup, crack-up, sniggle
3 Syllables
tittering, twittered, tittered, guffawing, har-de-har, twittering