favor vs term of address

favor

noun
  • The object of regard; person or thing favoured. 

  • A small gift; a party favor. 

  • Mildness or mitigation of punishment; lenity. 

  • A kind or helpful deed; an instance of voluntarily assisting (someone). 

  • Partiality; bias 

  • Goodwill; benevolent regard. 

verb
  • To resemble; especially, to look like (another person). 

  • To do a favor [noun sense 1] for; to show beneficence toward. 

  • To look upon fondly; to prefer. 

  • To use more often. 

  • To encourage, conduce to 

  • To treat with care. 

term of address

noun
  • A word or phrase used to address or refer to someone or something without using his, her, or its name. 

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