eschalot vs Allium cepa

eschalot and Allium cepa both are nouns.

Word	Noun	Adjective	Verb	Adverb
eschalot	Yes	No	No	No
Allium cepa	Yes	No	No	No

As nouns, Allium cepa is a hypernym of eschalot; that is, Allium cepa is a word with a broader meaning than eschalot:

eschalot: type of onion plant producing small clustered mild-flavored bulbs used as seasoning
Allium cepa: bulbous plant having hollow leaves cultivated worldwide for its rounded edible bulb

Other hypernyms of eschalot include onion, onion plant.

eschalot (noun)	Allium cepa (noun)
type of onion plant producing small clustered mild-flavored bulbs used as seasoning	bulbous plant having hollow leaves cultivated worldwide for its rounded edible bulb