cf. vs parallelize

cf.

verb
  • Compare, compare to, compare with. 

  • see, see also 

parallelize

verb
  • To treat as if parallel; to draw parallels between. 

  • To make to execute in parallel. 

  • To make parallel (to each other). 

How often have the words cf. and parallelize occurred in a corpus of books? (source: Google Ngram Viewer )