affable vs ratty

affable

adj
  • Receiving others kindly and conversing with them in a free and friendly manner; friendly, courteous, sociable. 

  • Mild; benign. 

ratty

noun
  • Synonym of knock down ginger (“prank of knocking on a front door and running away”) 

adj
  • In poor condition or repair. 

  • Annoyed, bad-tempered, irritable. 

  • Resembling or characteristic of a rat; ratlike. 

  • Infested with rats. 

  • Crazy, mad; ridiculous; slightly strange, eccentric; also (followed by about, on, or over), attracted to, infatuated with. 

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