terrestrial vs overland

terrestrial and overland both are adjectives.

Word	Noun	Adjective	Verb	Adverb
terrestrial	No	Yes	No	No
overland	No	Yes	No	No

terrestrial (adjective)	overland (adjective)
operating or living or growing on land	traveling or passing over land
of or relating to or inhabiting the land as opposed to the sea or air
of or relating to or characteristic of the planet Earth or its inhabitants
of this earth
concerned with the world or worldly matters