beside the point vs nonessential

beside the point

adj

  • Irrelevant, moot. 

adv

  • Irrelevantly, off-topic. 

nonessential

adj

  • Not required; not essential. 

noun

  • Something that is not essential. 

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