canyon oak vs live oak

canyon oak and live oak both are nouns.

Word	Noun	Adjective	Verb	Adverb
canyon oak	Yes	No	No	No
live oak	Yes	No	No	No

As nouns, live oak is a hypernym of canyon oak; that is, live oak is a word with a broader meaning than canyon oak:

canyon oak: medium-sized evergreen of southwestern United States and northwestern Mexico with oblong leathery often spiny-edged leaves
live oak: any of several American evergreen oaks

canyon oak (noun)	live oak (noun)
medium-sized evergreen of southwestern United States and northwestern Mexico with oblong leathery often spiny-edged leaves	any of several American evergreen oaks