besides vs instead of

besides

prep
  • Other than; except for; instead of. 

  • In addition to. 

  • Beside, next to. 

adv
  • Used to emphasize an additional point, especially an important or stronger reason; moreover; furthermore. 

  • Otherwise; else. 

  • Also; in addition. 

instead of

prep
  • In lieu of; in place of; rather than. 

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