beside the point vs extraneous

beside the point

adj

  • Irrelevant, moot. 

adv

  • Irrelevantly, off-topic. 

extraneous

adj

  • Not belonging to, or dependent upon, a thing; without or beyond a thing; foreign 

  • Not essential or intrinsic 

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