glimpse vs look over

glimpse

verb
  • To appear by glimpses. 

  • To see or view briefly or incompletely. 

noun
  • A brief look, glance, or peek. 

  • A sudden flash. 

  • A faint idea; an inkling. 

look over

verb
  • To give a brief visual inspection. 

  • To scan-read and check for errors. 

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