Thuja occidentalis vs northern white cedar

Thuja occidentalis and northern white cedar both are nouns.

Word	Noun	Adjective	Verb	Adverb
Thuja occidentalis	Yes	No	No	No
northern white cedar	Yes	No	No	No

As nouns, Thuja occidentalis and northern white cedar are synonyms defined as:

Thuja occidentalis and northern white cedar: small evergreen of eastern North America having tiny scalelike leaves on flattened branchlets

Other synonyms of Thuja occidentalis include American arborvitae, white cedar.

Thuja occidentalis (noun)	northern white cedar (noun)
small evergreen of eastern North America having tiny scalelike leaves on flattened branchlets	small evergreen of eastern North America having tiny scalelike leaves on flattened branchlets