go over vs suss out

go over

verb
  • To create a response or impression. 

  • Used other than figuratively or idiomatically: see go, over. 

  • To look at carefully; to scrutinize; to analyze. 

  • To score a try. 

suss out

verb
  • To come to understand (a person). 

  • To manage to work (something) out, to determine (something). 

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