western red cedar vs Thuja plicata

western red cedar and Thuja plicata both are nouns.

Word	Noun	Adjective	Verb	Adverb
western red cedar	Yes	No	No	No
Thuja plicata	Yes	No	No	No

As nouns, western red cedar and Thuja plicata are synonyms defined as:

western red cedar and Thuja plicata: large valuable arborvitae of northwestern United States

Other synonyms of western red cedar include canoe cedar, red cedar.

western red cedar (noun)	Thuja plicata (noun)
large valuable arborvitae of northwestern United States	large valuable arborvitae of northwestern United States