tellurian vs telluric

tellurian is a noun but telluric is not a noun.

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

As adjectives, tellurian and telluric are synonyms defined as:

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

Other synonyms of tellurian include terrene, terrestrial.

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

tellurian (adjective)	telluric (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
	of or relating to or containing the chemical element tellurium