discreet
Pronunciation: /dɪˈskriːt/
adjective ( discreeter, discreetest)

Origin:
Middle English: from Old French discret, from Latin discretus 'separate', past participle of discernere 'discern', the sense arising from late Latin discretio (see discretion). Compare with discrete

The words discrete and discreet are pronounced in the same way and share the same origin but they do not mean the same thing. Discrete means ‘separate’, as in a finite number of discrete categories, while discreet means ‘careful and circumspect’, as in you can rely on him to be discreet.