Hum and Whiz

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

Whiz is a synonym for hum in hiss topic. In some cases you can use "Whiz" instead the word "Hum" as a verb or a noun, when it comes to topics like sounds.

Whiz verb - To make a sound like that of stretching out the speech sound \s\.

Hum is a synonym for whiz in hiss topic. You can use "Hum" instead the word "Whiz" as a verb or a noun, if it concerns topics such as move quickly by, sounds.