* Roar: The sound of a lion or other large animal.
* Pop: The sound of a balloon bursting or a cork coming out of a bottle.
* Zip: The sound of a zipper closing or something moving quickly.
* Beep: The sound of an alarm or a car horn.
* Crunch: The sound of something being crushed or breaking.
* Splash: The sound of something hitting water.
Onomatopoeia is the formation of a word from a sound associated with what is named.