pudding berry vs dogwood tree

pudding berry and dogwood tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
pudding berry	Yes	No	No	No
dogwood tree	Yes	No	No	No

As nouns, dogwood tree is a hypernym of pudding berry; that is, dogwood tree is a word with a broader meaning than pudding berry:

pudding berry: creeping perennial herb distinguished by red berries and clustered leaf whorls at the tips of shoots; Greenland to Alaska
dogwood tree: a tree of shrub of the genus Cornus often having showy bracts resembling flowers

Other hypernyms of pudding berry include cornel, dogwood.

pudding berry (noun)	dogwood tree (noun)
creeping perennial herb distinguished by red berries and clustered leaf whorls at the tips of shoots; Greenland to Alaska	a tree of shrub of the genus Cornus often having showy bracts resembling flowers