facetiously vs insanely

facetiously

adv
  • In a facetious or flippant manner; in a manner that treats serious issues with deliberately inappropriate humor 

insanely

adv
  • In an insane manner; not sanely. 

  • To a great degree; very much. 

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