Japanese spurge vs Pachysandra terminalis

Japanese spurge and Pachysandra terminalis both are nouns.

Word	Noun	Adjective	Verb	Adverb
Japanese spurge	Yes	No	No	No
Pachysandra terminalis	Yes	No	No	No

As nouns, Japanese spurge and Pachysandra terminalis are synonyms defined as:

Japanese spurge and Pachysandra terminalis: slow-growing Japanese evergreen subshrub having terminal spikes of white flowers; grown as a ground cover

Japanese spurge (noun)	Pachysandra terminalis (noun)
slow-growing Japanese evergreen subshrub having terminal spikes of white flowers; grown as a ground cover	slow-growing Japanese evergreen subshrub having terminal spikes of white flowers; grown as a ground cover