devil vs bad hat

devil and bad hat both are nouns.

Word	Noun	Adjective	Verb	Adverb
devil	Yes	No	Yes	No
bad hat	Yes	No	No	No

As nouns, bad hat is a hypernym of devil; that is, bad hat is a word with a broader meaning than devil:

Other hypernyms of devil include mischief-maker, trouble maker, troublemaker, troubler.

devil (noun)	bad hat (noun)
a word used in exclamations of confusion	someone who deliberately stirs up trouble
an evil supernatural being
a cruel wicked and inhuman person
a rowdy or mischievous person (usually a young man)

devil (verb)	bad hat (verb)
coat or stuff with a spicy paste
cause annoyance in; disturb, especially by minor irritations