afraid vs mousy

afraid

adj
  • Impressed with fear or apprehension; in fear. 

  • Regretful, sorry; expressing a reluctance to face an unpleasant situation. 

  • Worried about, feeling concern for, fearing for (someone or something). 

mousy

adj
  • Quiet; stealthy. 

  • Abounding in or infested with mice. 

  • Of a greyish-brown colour. 

  • mousy 

  • Timid. 

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