affectionate vs have a thing

affectionate

verb
  • To show affection to; to have affection for. 

adj
  • Characterised by or proceeding from affection; indicating love; tender. 

  • Having affection or warm regard; loving; fond. 

have a thing

verb
  • To have a crush on, or a soft spot for, someone. 

  • To be in a casual romantic relationship. 

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