molest vs hassle

molest is not a noun while hassle is a noun.

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

As verbs, molest and hassle are synonyms defined as:

Other synonyms of molest include beset, chevvy, chevy, chivvy, chivy, harass, harry, plague, provoke.

molest (noun)	hassle (noun)
	disorderly fighting
	an angry disturbance

molest (verb)	hassle (verb)
annoy continually or chronically	annoy continually or chronically
harass or assault sexually; make indecent advances to