facetiously vs funnily

facetiously

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

funnily

adv
  • In a funny or amusing manner. 

  • In a strange or unexpected manner, especially of a coincidence. 

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