To silence someone or something, or to stop someone from talking about something.

चुप कराना

English Usage: "He tried to hush up the argument to avoid causing a scene."

Hindi Usage: "उसने बहस को चुप कराने की कोशिश की ताकि कोई दृश्य न बने।"

A state of silence or quietness.

शांति

English Usage: "There was a hush in the room when the speaker began."

Hindi Usage: "जब वक्ता ने बोलना शुरू किया, तो कमरे में शांति छा गई।"