Osmanthus americanus vs American olive

Osmanthus americanus and American olive both are nouns.

Word	Noun	Adjective	Verb	Adverb
Osmanthus americanus	Yes	No	No	No
American olive	Yes	No	No	No

As nouns, Osmanthus americanus and American olive are synonyms defined as:

Osmanthus americanus and American olive: small tree of southern United States having panicles of dull white flowers followed by dark purple fruits

Other synonyms of Osmanthus americanus include devilwood.

Osmanthus americanus (noun)	American olive (noun)
small tree of southern United States having panicles of dull white flowers followed by dark purple fruits	small tree of southern United States having panicles of dull white flowers followed by dark purple fruits