be incompatible with vs digress

be incompatible with

digress

verb
  • To step or turn aside; to deviate; to swerve; especially, to turn aside from the main subject of attention, or course of argument, in writing or speaking. 

  • To turn aside from the right path; to transgress; to offend. 

How often have the words be incompatible with and digress occurred in a corpus of books? (source: Google Ngram Viewer )