A term often used as a variant of 'no' or 'none' in certain dialects.

कोई नहीं

English Usage: There is noe left for you to take.

Hindi Usage: आपके लिए लेने के लिए कोई नहीं बचा है।

To negate or refuse something. (though primarily a dialectical form)

नकारना

English Usage: He will noe accept the offer.

Hindi Usage: वह प्रस्ताव को नकारेगा।