peach bell vs campanula

peach bell and campanula both are nouns.

Word	Noun	Adjective	Verb	Adverb
peach bell	Yes	No	No	No
campanula	Yes	No	No	No

As nouns, campanula is a hypernym of peach bell; that is, campanula is a word with a broader meaning than peach bell:

peach bell: perennial European bellflower with racemose white or blue flowers
campanula: any of various plants of the genus Campanula having blue or white bell-shaped flowers

Other hypernyms of peach bell include bellflower.

peach bell (noun)	campanula (noun)
perennial European bellflower with racemose white or blue flowers	any of various plants of the genus Campanula having blue or white bell-shaped flowers