squill vs liliaceous plant

squill and liliaceous plant both are nouns.

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

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

squill: 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

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

squill: having dense spikes of small white flowers and yielding a bulb with medicinal properties
liliaceous plant: plant growing from a bulb or corm or rhizome or tuber

squill (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
having dense spikes of small white flowers and yielding a bulb with medicinal properties
bulb of the sea squill, which is sliced, dried, and used as an expectorant