hiba arborvitae vs Thujopsis dolobrata

hiba arborvitae and Thujopsis dolobrata both are nouns.

Word	Noun	Adjective	Verb	Adverb
hiba arborvitae	Yes	No	No	No
Thujopsis dolobrata	Yes	No	No	No

As nouns, hiba arborvitae and Thujopsis dolobrata are synonyms defined as:

hiba arborvitae and Thujopsis dolobrata: slow-growing medium-large Japanese evergreen used as an ornamental

hiba arborvitae (noun)	Thujopsis dolobrata (noun)
slow-growing medium-large Japanese evergreen used as an ornamental	slow-growing medium-large Japanese evergreen used as an ornamental