nutsedge vs nut sedge

nutsedge and nut sedge both are nouns.

Word	Noun	Adjective	Verb	Adverb
nutsedge	Yes	No	No	No
nut sedge	Yes	No	No	No

As nouns, nutsedge and nut sedge are synonyms defined as:

nutsedge and nut sedge: a widely distributed perennial sedge having small edible nutlike tubers

Other synonyms of nutsedge include Cyperus rotundus, nut grass, nutgrass.

nutsedge (noun)	nut sedge (noun)
a widely distributed perennial sedge having small edible nutlike tubers	a widely distributed perennial sedge having small edible nutlike tubers