Morchella esculenta vs morel

Morchella esculenta and morel both are nouns.

Word	Noun	Adjective	Verb	Adverb
Morchella esculenta	Yes	No	No	No
morel	Yes	No	No	No

As nouns, morel is a hypernym of Morchella esculenta; that is, morel is a word with a broader meaning than Morchella esculenta:

Morchella esculenta: an edible and choice morel with a globular to elongate head with an irregular pattern of pits and ridges
morel: any of various edible mushrooms of the genus Morchella having a brownish spongelike cap

Morchella esculenta (noun)	morel (noun)
an edible and choice morel with a globular to elongate head with an irregular pattern of pits and ridges	any of various edible mushrooms of the genus Morchella having a brownish spongelike cap