amiably vs amicably

amiably

adv
  • In an amiable manner; in a friendly or pleasant manner. 

amicably

adv
  • friendly; in an amicable manner. 

  • out-of-court 

  • characterized by an absence of antagonism, especially in commonly difficult situations 

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