allude to vs bring up

allude to

bring up

verb
  • To mention. 

  • To raise or rear (children). 

  • To vomit. 

  • To stop or interrupt a flow or steady motion. 

  • To uncover, to bring from obscurity; to resurface (e.g. a memory) 

  • To reach a particular score, especially a milestone. 

  • To turn on power or start, as of a machine. 

  • Used other than figuratively or idiomatically: see bring, up: To bring from a lower to a higher position. 

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