genus Plantago vs plantain

genus Plantago and plantain both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Plantago	Yes	No	No	No
plantain	Yes	No	No	No

genus Plantago (noun)	plantain (noun)
type genus of the family Plantaginaceae; large cosmopolitan genus of mostly small herbs	starchy banana-like fruit; eaten (always cooked) as a staple vegetable throughout the tropics
	a banana tree bearing hanging clusters of edible angular greenish starchy fruits; tropics and subtropics
	any of numerous plants of the genus Plantago; mostly small roadside or dooryard weeds with elliptic leaves and small spikes of very small flowers; seeds of some used medicinally