pay off vs succeed

pay off

verb
  • To become worthwhile; to produce a net benefit. 

  • To bribe, especially to deter oversight. 

  • To pay back; to repay. 

  • To pay back (repay, pay off) the entirety of a loan, thereby effecting the release of a lien on. 

  • To fall to leeward, as the head of a vessel under sail. 

succeed

verb
  • To prosper or attain success and beneficial results in general. 

  • To ascend the throne after the removal or death of the occupant. 

  • To prevail in obtaining an intended objective or accomplishment; to prosper as a result or conclusion of a particular effort. 

  • To follow something in sequence or time. 

  • To support; to prosper; to promote or give success to. 

  • To descend, as an estate or an heirloom, in the same family; to devolve; (often with to). 

  • To come in the place of another person, thing, or event; to come next in the usual, natural, or prescribed course of things; to follow; hence, to come next in the possession of anything; (often with to). 

  • To come after or follow; to be subsequent or consequent; (often with to). 

  • To replace or supplant someone in order vis-à-vis an office, position, or title. 

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