spinach plant vs spinach

spinach plant and spinach both are nouns.

Word	Noun	Adjective	Verb	Adverb
spinach plant	Yes	No	No	No
spinach	Yes	No	No	No

As nouns, spinach plant and spinach are synonyms defined as:

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

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

spinach plant (noun)	spinach (noun)
southwestern Asian plant widely cultivated for its succulent edible dark green leaves	dark green leaves; eaten cooked or raw in salads
	southwestern Asian plant widely cultivated for its succulent edible dark green leaves