gamely vs voluntarily

gamely

adv
  • In a game or plucky manner; in a willing and spirited fashion. 

adj
  • Of or pertaining to game. 

  • Sportive; lively; joyful. 

voluntarily

adv
  • In a voluntary manner. 

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