decrepitude vs weediness

decrepitude

noun
  • the state of being decrepit or worn out from age or long use 

weediness

noun
  • The quality of being weedy or feeble. 

  • The quality of resembling, or being overgrown with, weeds. 

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