peppermint vs eucalyptus tree

peppermint and eucalyptus tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
peppermint	Yes	No	No	No
eucalyptus tree	Yes	No	No	No

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

Other hypernyms of peppermint include eucalypt, eucalyptus.

peppermint (noun)	eucalyptus tree (noun)
a candy flavored with peppermint oil	a tree of the genus Eucalyptus
herb with downy leaves and small purple or white flowers that yields a pungent oil used as a flavoring
red gum tree of Tasmania