Hum and Rumble

Hum noun - A monotonous sound like that of an insect in motion.

Rumble is a synonym for hum in sound topic. In some cases you can use "Rumble" instead the word "Hum" as a noun or a verb.

Rumble noun - A loud low dull continuous noise.

Hum is a synonym for rumble in sound topic. You can use "Hum" instead the word "Rumble" as a noun or a verb.

Nearby Words: rumbled, rumbling