garden rocket vs arugula

garden rocket and arugula both are nouns.

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

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

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

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

garden rocket (noun)	arugula (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