congenial vs unwelcome

congenial

adj
  • Friendly or sociable. 

  • Suitable to one’s needs. 

  • Having the same or very similar nature, personality, tastes, habits or interests. 

unwelcome

adj
  • Not welcome. 

verb
  • To treat as unwelcome. 

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