devil vs hassle

devil and hassle both are nouns.

Word	Noun	Adjective	Verb	Adverb
devil	Yes	No	Yes	No
hassle	Yes	No	Yes	No

As verbs, hassle is a hyponym of devil; that is, hassle is a word with a more specific, narrower meaning than devil:

devil (noun)	hassle (noun)
a word used in exclamations of confusion	disorderly fighting
an evil supernatural being	an angry disturbance
a cruel wicked and inhuman person
a rowdy or mischievous person (usually a young man)

devil (verb)	hassle (verb)
coat or stuff with a spicy paste	annoy continually or chronically
cause annoyance in; disturb, especially by minor irritations