irritate vs molest

irritate and molest both are verbs.

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

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

irritate (verb)	molest (verb)
excite to an abnormal condition, or chafe or inflame	annoy continually or chronically
excite to some characteristic action or condition, such as motion, contraction, or nervous impulse, by the application of a stimulus	harass or assault sexually; make indecent advances to
cause annoyance in; disturb, especially by minor irritations