doot vs reckon on

doot

verb
  • think 

  • to scan 

  • to tap a card 

  • doubt 

noun
  • doubt 

  • beep (electronically-produced tone) 

reckon on

verb
  • To plan on; to expect. 

  • To count on or depend (on). 

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