glimpse vs spring up

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. 

spring up

verb
  • To appear suddenly. 

  • To come rapidly into existence. 

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