chop-suey greens vs shun giku

chop-suey greens and shun giku both are nouns.

Word	Noun	Adjective	Verb	Adverb
chop-suey greens	Yes	No	No	No
shun giku	Yes	No	No	No

As nouns, chop-suey greens and shun giku are synonyms defined as:

chop-suey greens and shun giku: grown for its succulent edible leaves used in Asian cooking

Other synonyms of chop-suey greens include Chrysanthemum coronarium spatiosum, tong ho.

chop-suey greens (noun)	shun giku (noun)
succulent and aromatic young dark green leaves used in Chinese and Vietnamese and Japanese cooking	grown for its succulent edible leaves used in Asian cooking
grown for its succulent edible leaves used in Asian cooking