garden pepper cress vs pepperwort

garden pepper cress and pepperwort both are nouns.

Word	Noun	Adjective	Verb	Adverb
garden pepper cress	Yes	No	No	No
pepperwort	Yes	No	No	No

As nouns, garden pepper cress and pepperwort are synonyms defined as:

garden pepper cress and pepperwort: annual herb used as salad green and garnish

Other synonyms of garden pepper cress include common garden cress, Lepidium sativum, pepper grass.

garden pepper cress (noun)	pepperwort (noun)
annual herb used as salad green and garnish	annual herb used as salad green and garnish
	any of several water ferns of the genus Marsilea having four leaflets