Synonyms of blamer

2 Syllables
nagger, censor, quibblers, quibbler, carper, fretter, nigglers, niggler, fretters, doubter, scolder, worrier, zapper, panner
3 Syllables
maligner, nitpicker, slanderer, mudslinger, mudslingers, disputer, complainant, nit-picker, mud-slinger, caviler, complainer, defamer, muckraker, vilifier, reviler, faultfinder, aristarch, belittler, censurer, attacker
4 Syllables
criticizer, disparager, disapprover, hypercritic