belligerently vs unkindly

belligerently

adv
  • In a belligerent manner; with aggressive hostility. 

unkindly

adv
  • In an unkind manner. 

adj
  • Not kind, lacking in friendliness, warm-heartedness or sympathy. 

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