Arenaria caroliniana vs longroot

Arenaria caroliniana and longroot both are nouns.

Word	Noun	Adjective	Verb	Adverb
Arenaria caroliniana	Yes	No	No	No
longroot	Yes	No	No	No

As nouns, Arenaria caroliniana and longroot are synonyms defined as:

Arenaria caroliniana and longroot: deep-rooted perennial of southeastern United States

Other synonyms of Arenaria caroliniana include pine-barren sandwort.

Arenaria caroliniana (noun)	longroot (noun)
deep-rooted perennial of southeastern United States	deep-rooted perennial of southeastern United States