courtship vs woo

courtship

noun
  • The behaviour exhibited by an animal to attract a mate. 

  • The act of trying to solicit a favour or support from someone. 

  • The act of wooing a person to enter into a romantic relationship or marriage; hence, the period during which a couple fall in love before their marriage. 

woo

verb
  • To endeavor to gain someone's support. 

  • To court solicitously; to invite with importunity. 

  • (often of a man) To try to persuade (someone) to be in an amorous relationship with 

intj
  • Expressing joy or excitement; woohoo, yahoo. 

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