What is onomotopoeia?

Onomatopia refers to any Word that, when spoken, sound like what the Word means.

Examples:

Buzz sounds like the sound of bees wings flapping rapidly

Swish sounds like the sound of skis on snow, or pulling a light brush across a piece of paper.

Sizzle sounds like bacon frying

Moo sounds like a cow sounding off

Meow sounds like a cat sounding off

Woof sounds like a dog barking