English plantain vs narrow-leaved plantain

English plantain and narrow-leaved plantain both are nouns.

Word	Noun	Adjective	Verb	Adverb
English plantain	Yes	No	No	No
narrow-leaved plantain	Yes	No	No	No

As nouns, English plantain and narrow-leaved plantain are synonyms defined as:

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

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

English plantain (noun)	narrow-leaved 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