alpine ash vs eucalyptus

alpine ash and eucalyptus both are nouns.

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

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

Other hypernyms of alpine ash include eucalypt, eucalyptus tree.

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