forcefully vs manfully

forcefully

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

manfully

adv
  • In a manful manner; with the characteristics considered typical of a man, such as strength, courage, and determination. 

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