arugula vs garden rocket

arugula and garden rocket both are nouns.

Word	Noun	Adjective	Verb	Adverb
arugula	Yes	No	No	No
garden rocket	Yes	No	No	No

As nouns, arugula and garden rocket are synonyms defined as:

arugula and garden rocket: erect European annual often grown as a salad crop to be harvested when young and tender

Other synonyms of arugula include Eruca sativa, Eruca vesicaria sativa, rocket, rocket salad, roquette.

arugula (noun)	garden rocket (noun)
erect European annual often grown as a salad crop to be harvested when young and tender	erect European annual often grown as a salad crop to be harvested when young and tender