nifty vs slovenly

nifty

slovenly

adj
  • Having an untidy appearance; unkempt. 

  • Careless or negligent; sloppy. 

  • Dirty, unwashed; disorderly. 

adv
  • In a slovenly manner. 

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