inhabit vs people

inhabit is not a noun while people is a noun.

Word	Noun	Adjective	Verb	Adverb
inhabit	No	No	Yes	No
people	Yes	No	Yes	No

As verbs, people is a hyponym of inhabit; that is, people is a word with a more specific, narrower meaning than inhabit:

inhabit (noun)	people (noun)
	(plural) any group of human beings (men or women or children) collectively
	the body of citizens of a state or country
	members of a family line
	the common people generally

inhabit (verb)	people (verb)
be an inhabitant of or reside in	fill with people
be present in	furnish with people
exist or be situated within