disclaim vs front up

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. 

front up

verb
  • To show up; to appear or present oneself. 

  • To lead or represent. 

  • To admit or confess. 

  • To meet with one's best efforts. 

  • To face; to confront or challenge. 

  • To pay in advance or give with the expectation of being reimbursed later. 

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