pout vs bullhead catfish

pout and bullhead catfish both are nouns.

Word	Noun	Adjective	Verb	Adverb
pout	Yes	No	Yes	No
bullhead catfish	Yes	No	No	No

As nouns, bullhead catfish is a hypernym of pout; that is, bullhead catfish is a word with a broader meaning than pout:

pout: catfish common in eastern United States
bullhead catfish: any of several common freshwater catfishes of the United States

Other hypernyms of pout include bullhead.

pout (noun)	bullhead catfish (noun)
catfish common in eastern United States	any of several common freshwater catfishes of the United States
marine eellike mostly bottom-dwelling fishes of northern seas
a disdainful grimace

pout (verb)	bullhead catfish (verb)
make a sad face and thrust out one's lower lip
be in a huff and display one's displeasure