trouble vs hassle

trouble and hassle both are nouns.

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

As nouns, trouble and hassle are synonyms defined as:

Other synonyms of trouble include bother, fuss.

trouble (noun)	hassle (noun)
an effort that is inconvenient	disorderly fighting
a source of difficulty	an angry disturbance
an event causing distress or pain
an angry disturbance
a strong feeling of anxiety
an unwanted pregnancy

trouble (verb)	hassle (verb)
cause bodily suffering to and make sick or indisposed	annoy continually or chronically
disturb in mind or make uneasy or cause to be worried or alarmed
move deeply
to cause inconvenience or discomfort to
take the trouble to do something; concern oneself