ripple-grass vs English plantain

ripple-grass and English plantain both are nouns.

Word	Noun	Adjective	Verb	Adverb
ripple-grass	Yes	No	No	No
English plantain	Yes	No	No	No

As nouns, ripple-grass and English plantain are synonyms defined as:

ripple-grass and English plantain: an Old World plantain with long narrow ribbed leaves widely established in temperate regions

Other synonyms of ripple-grass include buckthorn, narrow-leaved plantain, Plantago lanceolata, ribgrass, ribwort.

ripple-grass (noun)	English plantain (noun)
an Old World plantain with long narrow ribbed leaves widely established in temperate regions	an Old World plantain with long narrow ribbed leaves widely established in temperate regions