forcefully vs forcibly

forcefully

adv
  • With either physical or coercive force; in a forceful manner; vigorously; powerfully. 

forcibly

adv
  • In a forcible manner, with force, with powerful effect, powerfully, strongly. 

  • In a forcible manner, by force, against one's will. 

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