besides vs if anything

besides

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

  • Otherwise; else. 

  • Also; in addition. 

prep
  • In addition to. 

  • Other than; except for; instead of. 

  • Beside, next to. 

if anything

adv
  • Used to suggest or state tentatively that something may be the case (often the opposite of something previously implied). 

  • Used in questions when the speaker does not know for sure if the listener will have an answer. 

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