Tsuga heterophylla vs Pacific hemlock

Tsuga heterophylla and Pacific hemlock both are nouns.

Word	Noun	Adjective	Verb	Adverb
Tsuga heterophylla	Yes	No	No	No
Pacific hemlock	Yes	No	No	No

As nouns, Tsuga heterophylla and Pacific hemlock are synonyms defined as:

Tsuga heterophylla and Pacific hemlock: tall evergreen of western North America; commercially important timber tree

Other synonyms of Tsuga heterophylla include west coast hemlock, western hemlock.

Tsuga heterophylla (noun)	Pacific hemlock (noun)
tall evergreen of western North America; commercially important timber tree	tall evergreen of western North America; commercially important timber tree