terrene vs tellurian

terrene is not a noun while tellurian is a noun.

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

As adjectives, terrene and tellurian are synonyms defined as:

terrene and tellurian: of or relating to or inhabiting the land as opposed to the sea or air

Other synonyms of terrene include telluric, terrestrial.

terrene (noun)	tellurian (noun)
	an inhabitant of the earth

terrene (adjective)	tellurian (adjective)
of or relating to or inhabiting the land as opposed to the sea or air	of or relating to or inhabiting the land as opposed to the sea or air
belonging to this earth or world; not ideal or heavenly