success vs barnburner

success and barnburner both are nouns.

Word	Noun	Adjective	Verb	Adverb
success	Yes	No	No	No
barnburner	Yes	No	No	No

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

Other hyponyms of success include Godspeed, triumph, victory, bite.

success (noun)	barnburner (noun)
an attainment that is successful	an impressively successful event
an event that accomplishes its intended purpose	someone who burns down a barn
a person with a record of successes
a state of prosperity or fame