mountain oak vs Eucalyptus delegatensis

mountain oak and Eucalyptus delegatensis both are nouns.

Word	Noun	Adjective	Verb	Adverb
mountain oak	Yes	No	No	No
Eucalyptus delegatensis	Yes	No	No	No

As nouns, mountain oak and Eucalyptus delegatensis are synonyms defined as:

mountain oak and Eucalyptus delegatensis: tall timber tree with hard heavy pinkish or light brown wood

Other synonyms of mountain oak include alpine ash.

mountain oak (noun)	Eucalyptus delegatensis (noun)
tall timber tree with hard heavy pinkish or light brown wood	tall timber tree with hard heavy pinkish or light brown wood