Salsola kali vs kelpwort

Salsola kali and kelpwort both are nouns.

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

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

Salsola kali 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 kali include barilla, glasswort, kali, Salsola soda, saltwort.

Salsola kali (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