carrion fungus vs fungus

carrion fungus and fungus both are nouns.

Word	Noun	Adjective	Verb	Adverb
carrion fungus	Yes	No	No	No
fungus	Yes	No	No	No

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

carrion fungus: any of various ill-smelling brown-capped fungi of the order Phallales
fungus: an organism of the kingdom Fungi lacking chlorophyll and feeding on organic matter; ranging from unicellular or multicellular organisms to spore-bearing syncytia

carrion fungus (noun)	fungus (noun)
any of various ill-smelling brown-capped fungi of the order Phallales	an organism of the kingdom Fungi lacking chlorophyll and feeding on organic matter; ranging from unicellular or multicellular organisms to spore-bearing syncytia