golden oak mushroom vs shiitake

golden oak mushroom and shiitake both are nouns.

Word	Noun	Adjective	Verb	Adverb
golden oak mushroom	Yes	No	No	No
shiitake	Yes	No	No	No

As nouns, golden oak mushroom and shiitake are synonyms defined as:

golden oak mushroom and shiitake: edible east Asian mushroom having a golden or dark brown to blackish cap and an inedible stipe

Other synonyms of golden oak mushroom include Chinese black mushroom, Lentinus edodes, Oriental black mushroom, shiitake mushroom.

golden oak mushroom (noun)	shiitake (noun)
edible east Asian mushroom having a golden or dark brown to blackish cap and an inedible stipe	edible east Asian mushroom having a golden or dark brown to blackish cap and an inedible stipe