success vs bell ringer

success and bell ringer both are nouns.

Word	Noun	Adjective	Verb	Adverb
success	Yes	No	No	No
bell ringer	Yes	No	No	No

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

success (noun)	bell ringer (noun)
an attainment that is successful	something that exactly succeeds in achieving its goal
an event that accomplishes its intended purpose	someone who plays musical handbells
a person with a record of successes	a person who rings church bells (as for summoning the congregation)
a state of prosperity or fame