Lepidium sativum vs garden pepper cress

Lepidium sativum and garden pepper cress both are nouns.

Word	Noun	Adjective	Verb	Adverb
Lepidium sativum	Yes	No	No	No
garden pepper cress	Yes	No	No	No

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

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

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

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