backwoodsman vs pioneer

backwoodsman and pioneer both are nouns.

Word	Noun	Adjective	Verb	Adverb
backwoodsman	Yes	No	No	No
pioneer	Yes	No	Yes	No

As nouns, pioneer is a hypernym of backwoodsman; that is, pioneer is a word with a broader meaning than backwoodsman:

Other hypernyms of backwoodsman include adult male, man.

backwoodsman (noun)	pioneer (noun)
a man who lives on the frontier	one of the first colonists or settlers in a new territory
	someone who helps to open up a new line of research or technology or art

backwoodsman (verb)	pioneer (verb)
	open up and explore a new area
	open up an area or prepare a way
	take the lead or initiative in; participate in the development of