A sound or echo, often used to describe an intense noise.

A buzz or hum, often used to describe a background sound or conversation.

गुनगुनाहट

English Usage: There was a low gunj in the room as everyone talked.

Hindi Usage: कमरे में सब लोग बातें कर रहे थे, जिससे एक हलकी गुनगुनाहट थी।