Abies grandis vs lowland fir

Abies grandis and lowland fir both are nouns.

Word	Noun	Adjective	Verb	Adverb
Abies grandis	Yes	No	No	No
lowland fir	Yes	No	No	No

As nouns, Abies grandis and lowland fir are synonyms defined as:

Abies grandis and lowland fir: lofty fir of the Pacific coast of northwestern America having long curving branches and deep green leaves

Other synonyms of Abies grandis include giant fir, grand fir, lowland white fir.

Abies grandis (noun)	lowland fir (noun)
lofty fir of the Pacific coast of northwestern America having long curving branches and deep green leaves	lofty fir of the Pacific coast of northwestern America having long curving branches and deep green leaves