Difference between Irritates and Annoy

IRRITATES vs ANNOY: NOUN

A feeling of discomfort or vexation caused by what one dislikes; also, whatever causes such a feeling.
[Now chiefly poetic; the common word in prose is annoyance.]
A thing or circumstance that causes discomfort; an annoyance.
A disturbed state of feeling arising from displeasing acts or unpleasant circumstances; discomfort; vexation; trouble; annoyance.
That which causes such a feeling.

Excite to some characteristic action or condition, such as motion, contraction, or nervous impulse, by the application of a stimulus
Third-person singular simple present indicative form of irritate.
Cause annoyance in; disturb, especially by minor irritations
Excite to an abnormal condition, of chafe or inflame

To cause irritation to (another); make somewhat angry.
To harass or disturb by repeated attacks.
To disturb or irritate, especially by continued or repeated acts; to tease; to ruffle in mind; to vex
To molest, incommode, or harm.

To be hateful or troublesome: followed by to.
[By omission of reflexive pronoun.] To be troubled, disquieted, vexed.
To be hateful, troublesome, or vexatious to; trouble, disquiet, disturb, vex, molest, harass, plague; irk, weary, bore, especially by repeated acts: as, to annoy a person by perpetual questioning; to annoy the enemy by raids: in the passive, followed by at or about, formerly by of.
Synonyms Molest, Plague, etc. (see tease), trouble, disturb, disquiet, vex, irritate, fret, embarrass, perplex.
Cause annoyance in

Irks, Disturbs, Bothers, Annoys, Get at, Gravel, Get to, Nettle, Devil, Nark, Rag, Vex, Bother, Rile, Annoy

Irk, Pester, Embarrass, Harass, Get at, Gravel, Nettle, Get to, Rag, Devil, Nark, Vex, Bother, Rile, Irritate

Endears, Excites, Hurts, Bothers, Annoys, Get at, Gravel, Get to, Nettle, Devil, Nark, Rag, Vex, Rile, Annoy

Disturb, Irk, Pester, Embarrass, Harass, Get at, Gravel, Nettle, Get to, Rag, Devil, Nark, Vex, Rile, Irritate

I know that the term "federation" irritates many Britons.
Anything that irritates your skin can cause hand eczema.
The deletion of this feature irritates me mightily.
Sebacoyl chloride irritates skin, eyes, and respiratory tract.
Coughing irritates the airways and may narrow them.
Carol Kirkwood irritates the hell out of me.
EU level irritates the citizens and fuels disaffection.
Even the dimmest light irritates him at night.
At the store as it irritates the customers floor stock system slideshare store as it irritates the customers as inventory control important.
"It irritates the the nasal pharynx and oral pharynx, and then it irritates the lungs themselves," Brady said.

Does your child annoy you in the house?
What Aspects of Modern Life Annoy You Most?
TFRS with Annoy, an approximate nearest neighbours library.
It is not my intent to annoy anybody.
Some of their decisions might even annoy you.
Mail that is too frequent can annoy recipients.
Yes, brothers annoy the hell out of sisters.
SPAM regulations, but they also annoy your recipients.
Think of them as a wasp: annoy a wasp and it stings, annoy an airbag and it goes off and can cause serious injury!
Notifying them every few hours would surely annoy them, which in turn they will annoy the Administrator.