deem vs reckon

deem

verb
  • To hold in belief or estimation; to adjudge as a conclusion; to regard as being; to evaluate according to one's beliefs; to account. 

  • To think, judge, or have or hold as an opinion; to decide or believe on consideration; to suppose. 

noun
  • An opinion, a judgment, a surmise. 

reckon

verb
  • To conclude, as by an enumeration and balancing of chances; hence, to think; to suppose; -- followed by an objective clause 

  • To count; to enumerate; to number; also, to compute; to calculate. 

  • To come to an accounting; to draw up or settle accounts; to examine and strike the balance of debt and credit; to adjust relations of desert or penalty. 

  • To reckon with something or somebody or not, i.e to reckon without something or somebody: to take into account, deal with, consider or not, i.e. to misjudge, ignore, not take into account, not deal with, not consider or fail to consider; e.g. reckon without one's host 

  • To charge, attribute, or adjudge to one, as having a certain quality or value. 

  • To count as in a number, rank, or series; to estimate by rank or quality; to place by estimation; to account; to esteem; to repute. 

  • To make an enumeration or computation; to engage in numbering or computing. 

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