white cedar vs white cypress

white cedar and white cypress both are nouns.

Word	Noun	Adjective	Verb	Adverb
white cedar	Yes	No	No	No
white cypress	Yes	No	No	No

As nouns, white cedar and white cypress are synonyms defined as:

white cedar and white cypress: slow-growing medium-sized cedar of east coast of the United States; resembles American arborvitae

white cedar (noun)	white cypress (noun)
slow-growing medium-sized cedar of east coast of the United States; resembles American arborvitae	slow-growing medium-sized cedar of east coast of the United States; resembles American arborvitae
small evergreen of eastern North America having tiny scalelike leaves on flattened branchlets