tellurian vs habitant

tellurian and habitant both are nouns.

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

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

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

tellurian (noun)	habitant (noun)
an inhabitant of the earth	a person who inhabits a particular place

tellurian (adjective)	habitant (adjective)
of or relating to or inhabiting the land as opposed to the sea or air