figure on vs reckon out

figure on

verb
  • To account for or rely on a particular fact or notion; to calculate (something) using a set of facts. 

  • To plan or expect (something). 

reckon out

verb
  • To figure out; determine by calculation, computation, or logic; make out 

  • To count out 

How often have the words figure on and reckon out occurred in a corpus of books? (source: Google Ngram Viewer )