Japanese privet vs Ligustrum japonicum

Japanese privet and Ligustrum japonicum both are nouns.

Word	Noun	Adjective	Verb	Adverb
Japanese privet	Yes	No	No	No
Ligustrum japonicum	Yes	No	No	No

As nouns, Japanese privet and Ligustrum japonicum are synonyms defined as:

Japanese privet and Ligustrum japonicum: evergreen shrub of Japan and Korea having small dark leaves and flowers in loose panicles; related to but smaller than Chinese privet

Japanese privet (noun)	Ligustrum japonicum (noun)
evergreen shrub of Japan and Korea having small dark leaves and flowers in loose panicles; related to but smaller than Chinese privet	evergreen shrub of Japan and Korea having small dark leaves and flowers in loose panicles; related to but smaller than Chinese privet