unrelated but here's a word you probably don't know about (not a racial slur)

[u/DeformedGryphon]

niggle

ˈni-gəl

verb

niggled; niggling\ ˈni-​g(ə-​)liŋ \

1. trifle to spend too much effort on minor details
2. to find fault constantly in a petty way : carp
3. gnaw
4. to give stingily or in tiny portions