canoe cedar vs arborvitae

canoe cedar and arborvitae both are nouns.

Word	Noun	Adjective	Verb	Adverb
canoe cedar	Yes	No	No	No
arborvitae	Yes	No	No	No

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

canoe cedar: large valuable arborvitae of northwestern United States
arborvitae: any of several Asian and North American conifers of the genera Thuja and Thujopsis

canoe cedar (noun)	arborvitae (noun)
large valuable arborvitae of northwestern United States	any of several Asian and North American conifers of the genera Thuja and Thujopsis