belittler
captious critic
carper
caviler
censor
censurer
common scold
complainer
critic
criticizer
equivocator
faultfinder
frondeur
hairsplitter
hedger
momus
mystificator
mystifier
nitpicker
obscurantist
palterer
pettifogger
picayune critic
prevaricator
pussyfoot
pussyfooter
scold
shuffler
smellfungus
tergiversator
malcontent
Unitarian
allegorizing
chymist
creaming
currying
dousing
faultiness
flautist
going-over
handwashing
hedgers
oiling
prose-writer
protectionists
quizzing
reorganization
sex-education
spinet
sportswoman
steelyard
taxonomist
topoi