plainsman vs habitant

plainsman and habitant both are nouns.

Word	Noun	Adjective	Verb	Adverb
plainsman	Yes	No	No	No
habitant	Yes	No	No	No

As nouns, habitant is a hypernym of plainsman; that is, habitant is a word with a broader meaning than plainsman:

plainsman: an inhabitant of a plains region (especially the Great Plains of North America)
habitant: a person who inhabits a particular place

Other hypernyms of plainsman include denizen, dweller, indweller, inhabitant.

plainsman (noun)	habitant (noun)
an inhabitant of a plains region (especially the Great Plains of North America)	a person who inhabits a particular place