wire grass vs yardgrass

wire grass and yardgrass both are nouns.

Word	Noun	Adjective	Verb	Adverb
wire grass	Yes	No	No	No
yardgrass	Yes	No	No	No

As nouns, wire grass and yardgrass are synonyms defined as:

wire grass and yardgrass: coarse annual grass having fingerlike spikes of flowers; native to Old World tropics; a naturalized weed elsewhere

Other synonyms of wire grass include Eleusine indica, goose grass, yard grass.

wire grass (noun)	yardgrass (noun)
coarse annual grass having fingerlike spikes of flowers; native to Old World tropics; a naturalized weed elsewhere	coarse annual grass having fingerlike spikes of flowers; native to Old World tropics; a naturalized weed elsewhere
handsome hardy North American grass with foliage turning pale bronze in autumn