equably vs evenly

equably

adv
  • In an equable manner 

evenly

adv
  • In a manner that leaves no remainder. 

  • So as to form a flat surface. 

  • In a fair manner of distribution, giving the same amount or number to each; equally. 

  • In terms of or by means of even numbers. 

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