Urginea maritima vs sea onion

Urginea maritima and sea onion both are nouns.

Word	Noun	Adjective	Verb	Adverb
Urginea maritima	Yes	No	No	No
sea onion	Yes	No	No	No

As nouns, Urginea maritima and sea onion are synonyms defined as:

Urginea maritima and sea onion: having dense spikes of small white flowers and yielding a bulb with medicinal properties

Other synonyms of Urginea maritima include sea squill, squill.

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