postulant vs suitor

postulant

noun
  • A person who submits a petition for something; a petitioner. 

  • A person seeking admission to a religious order. 

suitor

noun
  • One who sues, petitions, solicits, or entreats; a petitioner. 

  • One who pursues someone, especially a woman, for a romantic relationship or marriage; a wooer; one who falls in love with or courts someone. 

  • A person or organization that expresses an interest in working with, or taking over, another. 

  • A party to a suit or litigation. 

verb
  • To play the suitor; to woo; to make love. 

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