rush nut vs yellow nutgrass

rush nut and yellow nutgrass both are nouns.

Word	Noun	Adjective	Verb	Adverb
rush nut	Yes	No	No	No
yellow nutgrass	Yes	No	No	No

As nouns, rush nut and yellow nutgrass are synonyms defined as:

rush nut and yellow nutgrass: European sedge having small edible nutlike tubers

Other synonyms of rush nut include chufa, Cyperus esculentus, earth almond, ground almond.

rush nut (noun)	yellow nutgrass (noun)
European sedge having small edible nutlike tubers	European sedge having small edible nutlike tubers