alpine ash vs eucalyptus tree

alpine ash and eucalyptus tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
alpine ash	Yes	No	No	No
eucalyptus tree	Yes	No	No	No

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

Other hypernyms of alpine ash include eucalypt, eucalyptus.

alpine ash (noun)	eucalyptus tree (noun)
tall timber tree with hard heavy pinkish or light brown wood	a tree of the genus Eucalyptus