sea onion vs Scilla verna

sea onion and Scilla verna both are nouns.

Word	Noun	Adjective	Verb	Adverb
sea onion	Yes	No	No	No
Scilla verna	Yes	No	No	No

As nouns, sea onion and Scilla verna are synonyms defined as:

sea onion and Scilla verna: European scilla with small blue or purple flowers

Other synonyms of sea onion include spring squill.

sea onion (noun)	Scilla verna (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