California olive vs Oregon myrtle

California olive and Oregon myrtle both are nouns.

Word	Noun	Adjective	Verb	Adverb
California olive	Yes	No	No	No
Oregon myrtle	Yes	No	No	No

As nouns, California olive and Oregon myrtle are synonyms defined as:

California olive and Oregon myrtle: Pacific coast tree having aromatic foliage and small umbellate flowers followed by olivelike fruit; yields a hard tough wood

California olive (noun)	Oregon myrtle (noun)
Pacific coast tree having aromatic foliage and small umbellate flowers followed by olivelike fruit; yields a hard tough wood	Pacific coast tree having aromatic foliage and small umbellate flowers followed by olivelike fruit; yields a hard tough wood