home run vs bell ringer

home run and bell ringer both are nouns.

Word	Noun	Adjective	Verb	Adverb
home run	Yes	No	No	No
bell ringer	Yes	No	No	No

As nouns, home run and bell ringer are synonyms defined as:

home run and bell ringer: something that exactly succeeds in achieving its goal

Other synonyms of home run include bull's eye, mark.

home run (noun)	bell ringer (noun)
a base hit on which the batter scores a run	something that exactly succeeds in achieving its goal
something that exactly succeeds in achieving its goal	someone who plays musical handbells
	a person who rings church bells (as for summoning the congregation)