sponge mushroom vs common morel

sponge mushroom and common morel both are nouns.

Word	Noun	Adjective	Verb	Adverb
sponge mushroom	Yes	No	No	No
common morel	Yes	No	No	No

As nouns, sponge mushroom and common morel are synonyms defined as:

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

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

sponge mushroom (noun)	common 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