false morel vs fungus

false morel and fungus both are nouns.

Word	Noun	Adjective	Verb	Adverb
false morel	Yes	No	No	No
fungus	Yes	No	No	No

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

false morel: a fungus of the family Helvellaceae
fungus: an organism of the kingdom Fungi lacking chlorophyll and feeding on organic matter; ranging from unicellular or multicellular organisms to spore-bearing syncytia

false morel (noun)	fungus (noun)
a fungus of the family Helvellaceae	an organism of the kingdom Fungi lacking chlorophyll and feeding on organic matter; ranging from unicellular or multicellular organisms to spore-bearing syncytia