bang
There are many ways to spell the "ooh" sound. You can spell it oh, or uh. This depends on exactly what sound it is making.
you have a leak in the exhaust system lets in air
Sound of electricity
A howling sound
well sound i out "occurs" but you spell it occurs
peacock sound is called scream
Arggh
klingen
Professor Lochart's spell backfired because he made a mistake in the incantation or the casting process. It may have been due to a mispronunciation or misunderstanding of the spell's requirements. Alternatively, there could have been an unforeseen complication or interference in the spell's magical energies.
The whispering sound is typically spelled as "whisper."
The sound of a licking noise is typically spelled as "lick."
A bell sound is typically spelled as "ding" or "dong."