Irish moss vs Chondrus crispus

Irish moss and Chondrus crispus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Irish moss	Yes	No	No	No
Chondrus crispus	Yes	No	No	No

As nouns, Irish moss and Chondrus crispus are synonyms defined as:

Irish moss and Chondrus crispus: dark purple edible seaweed of the Atlantic coasts of Europe and North America

Other synonyms of Irish moss include carageen, carrageen, carragheen.

Irish moss (noun)	Chondrus crispus (noun)
dark purple edible seaweed of the Atlantic coasts of Europe and North America	dark purple edible seaweed of the Atlantic coasts of Europe and North America