gallantly vs unchivalrously

gallantly

adv
  • In a gallant or gentlemanly manner; with social graces. 

  • In a brave or valiant manner. 

unchivalrously

adv
  • In an unchivalrous manner; without chivalry. 

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