To acquire in exchange for payment.
खरीदना
English Usage: I want to buy a new car.
Hindi Usage: मैं एक नई कार खरीदना चाहता हूँ।
An acquisition or purchase of an item.
खरीद
English Usage: The buy was worth every penny.
Hindi Usage: यह खरीद हर पैसे के लायक थी।