opposition vs antipode

opposition and antipode both are nouns.

Word	Noun	Adjective	Verb	Adverb
opposition	Yes	No	No	No
antipode	Yes	No	No	No

As nouns, antipode is a hyponym of opposition; that is, antipode is a word with a more specific, narrower meaning than opposition:

opposition (noun)	antipode (noun)
the act of hostile groups opposing each other	direct opposite
the action of opposing something that you disapprove or disagree with
a body of people united in opposing something
an armed adversary (especially a member of an opposing military force)
a contestant that you are matched against
a direction opposite to another
the relation between opposed entities