garden pepper cress vs pepper grass

garden pepper cress and pepper grass both are nouns.

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

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

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

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

garden pepper cress (noun)	pepper grass (noun)
annual herb used as salad green and garnish	annual herb used as salad green and garnish