California white oak vs valley oak

California white oak and valley oak both are nouns.

Word	Noun	Adjective	Verb	Adverb
California white oak	Yes	No	No	No
valley oak	Yes	No	No	No

As nouns, California white oak and valley oak are synonyms defined as:

California white oak and valley oak: tall graceful deciduous California oak having leathery leaves and slender pointed acorns

Other synonyms of California white oak include Quercus lobata, roble, valley white oak.

California white oak (noun)	valley oak (noun)
tall graceful deciduous California oak having leathery leaves and slender pointed acorns	tall graceful deciduous California oak having leathery leaves and slender pointed acorns