murine vs rattish

murine

adj
  • Of, pertaining to, or characteristic of a mouse. 

  • More generally, of, pertaining to, or characteristic of any rodent up to the taxonomic rank of Muroidea, most often with reference to mice and rats of the subfamily Murinae. 

noun
  • Any murine mammal. 

rattish

adj
  • exhibiting qualities that are commonly associated with rats. 

  • pertaining to rats 

  • slightly short-tempered 

  • slightly run-down or dilapidated 

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