hackmatack vs tacamahac

hackmatack and tacamahac both are nouns.

Word	Noun	Adjective	Verb	Adverb
hackmatack	Yes	No	No	No
tacamahac	Yes	No	No	No

As nouns, hackmatack and tacamahac are synonyms defined as:

hackmatack and tacamahac: poplar of northeastern North America with broad heart-shaped leaves

Other synonyms of hackmatack include balsam poplar, Populus balsamifera.

hackmatack (noun)	tacamahac (noun)
poplar of northeastern North America with broad heart-shaped leaves	poplar of northeastern North America with broad heart-shaped leaves