Morchella esculenta vs sponge morel

Morchella esculenta and sponge morel both are nouns.

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

As nouns, Morchella esculenta and sponge morel are synonyms defined as:

Morchella esculenta and sponge morel: an edible and choice morel with a globular to elongate head with an irregular pattern of pits and ridges

Other synonyms of Morchella esculenta include common morel, sponge mushroom.

Morchella esculenta (noun)	sponge morel (noun)
an edible and choice morel with a globular to elongate head with an irregular pattern of pits and ridges	an edible and choice morel with a globular to elongate head with an irregular pattern of pits and ridges