tulip vs liliaceous plant

tulip and liliaceous plant both are nouns.

Word	Noun	Adjective	Verb	Adverb
tulip	Yes	No	No	No
liliaceous plant	Yes	No	No	No

As nouns, liliaceous plant is a hypernym of tulip; that is, liliaceous plant is a word with a broader meaning than tulip:

tulip: any of numerous perennial bulbous herbs having linear or broadly lanceolate leaves and usually a single showy flower
liliaceous plant: plant growing from a bulb or corm or rhizome or tuber

tulip (noun)	liliaceous plant (noun)
any of numerous perennial bulbous herbs having linear or broadly lanceolate leaves and usually a single showy flower	plant growing from a bulb or corm or rhizome or tuber