Lepidium sativum vs common garden cress

Lepidium sativum and common garden cress both are nouns.

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

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

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

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

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