grungy vs rattish

grungy

adj
  • Dirty; shabby; in disrepair. 

  • Of or relating to grunge music. 

rattish

adj
  • slightly run-down or dilapidated 

  • pertaining to rats 

  • exhibiting qualities that are commonly associated with rats. 

  • slightly short-tempered 

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