pepperidge vs tupelo tree

pepperidge and tupelo tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
pepperidge	Yes	No	No	No
tupelo tree	Yes	No	No	No

As nouns, tupelo tree is a hypernym of pepperidge; that is, tupelo tree is a word with a broader meaning than pepperidge:

pepperidge: columnar tree of eastern North America having horizontal limbs and small leaves that emerge late in spring and have brilliant color in early fall
tupelo tree: any of several gum trees of swampy areas of North America

Other hypernyms of pepperidge include tupelo.

pepperidge (noun)	tupelo tree (noun)
columnar tree of eastern North America having horizontal limbs and small leaves that emerge late in spring and have brilliant color in early fall	any of several gum trees of swampy areas of North America