hypercriticize vs split hairs

hypercriticize

verb

  • To criticize with unjust severity. 

split hairs

verb

  • To consider or argue about fine details; to worry about minutiae. 

noun

  • Tedious details; minutiae. 

How often have the words hypercriticize and split hairs occurred in a corpus of books? (source: Google Ngram Viewer )