cedar vs true cedar

cedar and true cedar both are nouns.

Word	Noun	Adjective	Verb	Adverb
cedar	Yes	No	No	No
true cedar	Yes	No	No	No

As nouns, cedar and true cedar are synonyms defined as:

Other synonyms of cedar include cedar tree.

cedar (noun)	true cedar (noun)
any cedar of the genus Cedrus	any cedar of the genus Cedrus
any of numerous trees of the family Cupressaceae that resemble cedars
durable aromatic wood of any of numerous cedar trees; especially wood of the red cedar often used for cedar chests