advances vs feeler

advances

feeler

noun
  • Someone or something that feels. 

  • Someone that assumes or imagines that one's affection is reciprocated; Someone that indulges in one's own wishful thinking; One who flatters oneself 

  • Something ventured to test another's feelings, opinion, or position. 

  • An antenna or appendage used for feeling, especially on an insect. 

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