pioneer vs backwoodsman

pioneer and backwoodsman both are nouns.

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

As nouns, backwoodsman is a hyponym of pioneer; that is, backwoodsman is a word with a more specific, narrower meaning than pioneer:

Other hyponyms of pioneer include bushman, frontiersman, mountain man, frontierswoman.

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

pioneer (verb)	backwoodsman (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