fussy vs hair-splitting

fussy

adj
  • Having a tendency to fuss, cry, or be bad-tempered/ill-tempered (especially of babies). 

  • Anxious or particular about petty details; hard to please. 

  • Having much unnecessary detail or decoration. 

hair-splitting

noun
  • the act of finding exceedingly small differences which are probably neither important nor noticeable to most people. 

How often have the words fussy and hair-splitting occurred in a corpus of books? (source: Google Ngram Viewer )