yellow nutgrass vs earth almond

yellow nutgrass and earth almond both are nouns.

Word	Noun	Adjective	Verb	Adverb
yellow nutgrass	Yes	No	No	No
earth almond	Yes	No	No	No

As nouns, yellow nutgrass and earth almond are synonyms defined as:

yellow nutgrass and earth almond: European sedge having small edible nutlike tubers

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

yellow nutgrass (noun)	earth almond (noun)
European sedge having small edible nutlike tubers	European sedge having small edible nutlike tubers