found vs pioneer

found and pioneer both are nouns.

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

As verbs, pioneer is a hypernym of found; that is, pioneer is a word with a broader meaning than found:

Other hypernyms of found include initiate.

found (noun)	pioneer (noun)
food and lodging provided in addition to money	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

found (adjective)	pioneer (adjective)
come upon unexpectedly or after searching

found (verb)	pioneer (verb)
use as a basis for; found on	open up and explore a new area
set up or lay the groundwork for	open up an area or prepare a way
set up or found	take the lead or initiative in; participate in the development of