spring squill vs sea onion

spring squill and sea onion both are nouns.

Word	Noun	Adjective	Verb	Adverb
spring squill	Yes	No	No	No
sea onion	Yes	No	No	No

As nouns, spring squill and sea onion are synonyms defined as:

spring squill and sea onion: European scilla with small blue or purple flowers

Other synonyms of spring squill include Scilla verna.

spring squill (noun)	sea onion (noun)
European scilla with small blue or purple flowers	European scilla with small blue or purple flowers
	having dense spikes of small white flowers and yielding a bulb with medicinal properties