tamarack vs black larch

tamarack and black larch both are nouns.

Word	Noun	Adjective	Verb	Adverb
tamarack	Yes	No	No	No
black larch	Yes	No	No	No

As nouns, tamarack and black larch are synonyms defined as:

tamarack and black larch: medium-sized larch of Canada and northern United States including Alaska having a broad conic crown and rust-brown scaly bark

Other synonyms of tamarack include American larch, Larix laricina.

tamarack (noun)	black larch (noun)
medium-sized larch of Canada and northern United States including Alaska having a broad conic crown and rust-brown scaly bark	medium-sized larch of Canada and northern United States including Alaska having a broad conic crown and rust-brown scaly bark