coast redwood vs Sequoia sempervirens

coast redwood and Sequoia sempervirens both are nouns.

Word	Noun	Adjective	Verb	Adverb
coast redwood	Yes	No	No	No
Sequoia sempervirens	Yes	No	No	No

As nouns, coast redwood and Sequoia sempervirens are synonyms defined as:

coast redwood and Sequoia sempervirens: lofty evergreen of United States coastal foothills from Oregon to Big Sur; it flourishes in wet, rainy, foggy habitats

Other synonyms of coast redwood include California redwood.

coast redwood (noun)	Sequoia sempervirens (noun)
lofty evergreen of United States coastal foothills from Oregon to Big Sur; it flourishes in wet, rainy, foggy habitats	lofty evergreen of United States coastal foothills from Oregon to Big Sur; it flourishes in wet, rainy, foggy habitats