Port Orford cedar vs cedarwood

Port Orford cedar and cedarwood both are nouns.

Word	Noun	Adjective	Verb	Adverb
Port Orford cedar	Yes	No	No	No
cedarwood	Yes	No	No	No

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

Port Orford cedar: the wood of the Port Orford cedar tree
cedarwood: durable aromatic wood of any of numerous cedar trees; especially wood of the red cedar often used for cedar chests

Other hypernyms of Port Orford cedar include cedar.

Port Orford cedar (noun)	cedarwood (noun)
large timber tree of western North America with trunk diameter to 12 feet and height to 200 feet	durable aromatic wood of any of numerous cedar trees; especially wood of the red cedar often used for cedar chests
the wood of the Port Orford cedar tree