oppose vs go against

oppose and go against both are verbs.

Word	Noun	Adjective	Verb	Adverb
oppose	No	No	Yes	No
go against	No	No	Yes	No

As verbs, go against is a hyponym of oppose; that is, go against is a word with a more specific, narrower meaning than oppose:

Other hyponyms of oppose include act on, follow up on, pursue, buck.

oppose (verb)	go against (verb)
be resistant to	act in disregard of laws, rules, contracts, or promises
be against; express opposition to	resist
set into opposition or rivalry	fail to agree with; be in violation of; as of rules or patterns
fight against or resist strongly
act against or in opposition to
contrast with equal weight or force