December (the twelfth month of the year)

Decision (the act of making a choice)

निर्णय (चुनाव करने की प्रक्रिया)

English Usage: We need to make a dec on this matter.

Hindi Usage: हमें इस विषय पर एक निर्णय लेना है।

To decide (to make a choice)

To decrement (to decrease)

कम करना (घटाना)

English Usage: We should dec the expenses this month.

Hindi Usage: हमें इस महीने खर्चों को कम करना चाहिए।