facetiously vs ridiculously

facetiously

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

ridiculously

adv
  • In a ridiculous manner. In a way that is funny, embarrassing or extremely implausible. 

  • extremely; very 

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