disclaim vs importune

disclaim

verb
  • To renounce all claim to; to deny ownership of or responsibility for; to disown; to disavow; to reject. 

  • To make an admission or warning. 

  • To deny, as a claim; to refuse. 

  • (law) To relinquish or deny having a claim; to disavow another's claim; to decline accepting, as an estate, interest, or office. 

importune

verb
  • To bother, irritate, trouble. 

  • To harass with persistent requests. 

  • To approach to offer one's services as a prostitute, or otherwise make improper proposals. 

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