bullhead vs pout

bullhead and pout both are nouns.

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

As nouns, pout is a hyponym of bullhead; that is, pout is a word with a more specific, narrower meaning than bullhead:

Other hyponyms of bullhead include Ameiurus Melas, horned pout, hornpout, brown bullhead.

bullhead (noun)	pout (noun)
freshwater sculpin with a large flattened bony-plated head with hornlike spines	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

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