Synonyms of niggler

2 Syllables
nagger, censor, quibblers, quibbler, carper, fretter, naggers, doubter, scolder, worrier, blamer, zapper, panner
3 Syllables
maligner, nitpicker, slanderer, disputer, complainant, nit-picker, mud-slinger, cavilers, caviler, caviller, complainer, defamer, muckraker, vilifier, reviler, faultfinder, aristarch, belittler, censurer, attacker
4 Syllables
castigator, castigators, criticizer, disparager, disapprover, hypercritic