prickly-seeded spinach vs spinach plant

prickly-seeded spinach and spinach plant both are nouns.

Word	Noun	Adjective	Verb	Adverb
prickly-seeded spinach	Yes	No	No	No
spinach plant	Yes	No	No	No

As nouns, prickly-seeded spinach and spinach plant are synonyms defined as:

prickly-seeded spinach and spinach plant: southwestern Asian plant widely cultivated for its succulent edible dark green leaves

Other synonyms of prickly-seeded spinach include spinach, Spinacia oleracea.

prickly-seeded spinach (noun)	spinach plant (noun)
southwestern Asian plant widely cultivated for its succulent edible dark green leaves	southwestern Asian plant widely cultivated for its succulent edible dark green leaves