scilla vs liliaceous plant

scilla and liliaceous plant both are nouns.

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

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

scilla: an Old World plant of the genus Scilla having narrow basal leaves and pink or blue or white racemose flowers
liliaceous plant: plant growing from a bulb or corm or rhizome or tuber

scilla (noun)	liliaceous plant (noun)
an Old World plant of the genus Scilla having narrow basal leaves and pink or blue or white racemose flowers	plant growing from a bulb or corm or rhizome or tuber