Discrete and discreet are homophones in English and can sometimes be confused; they are both pronounced / dɪskriːt/ but have different spellings and their meanings are completely different.
discrete
Discrete is an adjective; discrete ideas or things are separate and distinct from each other. It is used in formal English.
The instruction manuals break down jobs into scores of discrete steps.
discreet
Discreet is an adjective.
If you are discreet, you are polite and careful in what you do or say, because you want to avoid embarrassing or offending someone. If you are discreet about something you are doing, you do not tell other people about it, in order to avoid being embarrassed or to gain an advantage.
They were gossipy and not always discreet.
She’s making a few discreet inquiries with her mother’s friends.
We were very discreet about the relationship.
If you describe something as discreet, you approve of it because it is small in size or degree, or not easily noticed.
She wore discreet jewellery.
