irritation vs twit

irritation and twit both are nouns.

Word	Noun	Adjective	Verb	Adverb
irritation	Yes	No	No	No
twit	Yes	No	Yes	No

As nouns, twit is a hyponym of irritation; that is, twit is a word with a more specific, narrower meaning than irritation:

Other hyponyms of irritation include aggro, last straw, taunt, taunting.

irritation (noun)	twit (noun)
unfriendly behavior that causes anger or resentment	aggravation by deriding or mocking or criticizing
the act of troubling or annoying someone	someone who is regarded as contemptible
an uncomfortable feeling of mental painfulness or distress
a sudden outburst of anger
the psychological state of being irritated or annoyed
the neural or electrical arousal of an organ or muscle or gland
(pathology) abnormal sensitivity to stimulation

irritation (verb)	twit (verb)
	harass with persistent criticism or carping