Panicum capillare vs witch grass

Panicum capillare and witch grass both are nouns.

Word	Noun	Adjective	Verb	Adverb
Panicum capillare	Yes	No	No	No
witch grass	Yes	No	No	No

As nouns, Panicum capillare and witch grass are synonyms defined as:

Panicum capillare and witch grass: North American grass with slender brushy panicles; often a weed on cultivated land

Other synonyms of Panicum capillare include old witch grass, old witchgrass, tumble grass, witchgrass.

Panicum capillare (noun)	witch grass (noun)
North American grass with slender brushy panicles; often a weed on cultivated land	North American grass with slender brushy panicles; often a weed on cultivated land
	European grass spreading rapidly by creeping rhizomes; naturalized in North America as a weed