attempt vs pioneer

attempt and pioneer both are nouns.

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

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

Other hypernyms of attempt include initiate.

attempt (noun)	pioneer (noun)
earnest and conscientious activity intended to do or accomplish something	one of the first colonists or settlers in a new territory
the act of attacking	someone who helps to open up a new line of research or technology or art

attempt (verb)	pioneer (verb)
enter upon an activity or enterprise	open up and explore a new area
make an effort or attempt	open up an area or prepare a way
	take the lead or initiative in; participate in the development of