Salsola soda vs kelpwort

Salsola soda and kelpwort both are nouns.

Word	Noun	Adjective	Verb	Adverb
Salsola soda	Yes	No	No	No
kelpwort	Yes	No	No	No

As nouns, Salsola soda and kelpwort are synonyms defined as:

Salsola soda and kelpwort: bushy plant of Old World salt marshes and sea beaches having prickly leaves; burned to produce a crude soda ash

Other synonyms of Salsola soda include barilla, glasswort, kali, Salsola kali, saltwort.

Salsola soda (noun)	kelpwort (noun)
bushy plant of Old World salt marshes and sea beaches having prickly leaves; burned to produce a crude soda ash	bushy plant of Old World salt marshes and sea beaches having prickly leaves; burned to produce a crude soda ash