go by vs opposit

go by

verb
  • To follow; to assume as true for the purposes of making a decision, taking an action, etc. 

  • To pass or go past without much interaction. 

  • To be called, to use as a name. 

opposit

verb
  • to posit or assume as a contradictory; negative or deny 

How often have the words go by and opposit occurred in a corpus of books? (source: Google Ngram Viewer )