So, raccoons can bark, purr, hiss, growl, and do a weird noise that is kinda like a purr but way louder and not resembling happiness. Do you know of any other sounds they can do?

dailyraccoons:

Raccoons actually have a ton of vocalizations, and a pretty robust communication system. They can also snarl, chitter, whine, whimper, screech, mew, and squeak. The most common sound you’ll hear is the chittering, which sounds like this!