red cedar vs cedar

red cedar and cedar both are nouns.

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

As nouns, cedar is a hypernym of red cedar; that is, cedar is a word with a broader meaning than red cedar:

red cedar: tall tree of the Pacific coast of North America having foliage like cypress and cinnamon-red bark
cedar: any of numerous trees of the family Cupressaceae that resemble cedars

Other hypernyms of red cedar include cedar tree.

As nouns, cedar is a hypernym of red cedar; that is, cedar is a word with a broader meaning than red cedar:

red cedar: fragrant reddish wood of any of various red cedar trees
cedar: durable aromatic wood of any of numerous cedar trees; especially wood of the red cedar often used for cedar chests

Other hypernyms of red cedar include cedarwood.

red cedar (noun)	cedar (noun)
tall tree of the Pacific coast of North America having foliage like cypress and cinnamon-red bark	any cedar of the genus Cedrus
small juniper found east of Rocky Mountains having a conic crown, brown bark that peels in shreds, and small sharp needles	any of numerous trees of the family Cupressaceae that resemble cedars
large valuable arborvitae of northwestern United States	durable aromatic wood of any of numerous cedar trees; especially wood of the red cedar often used for cedar chests
fragrant reddish wood of any of various red cedar trees