12. Nuhkrakk

Namora cracking some nuts there.
11. Karlstad

Karlstad, if you didn't know, is a city in Sweden. Here, however, it is a noise.
10. Yyabasta

This sounds remarkably like a broad-Northern English person saying "you bas**rd".
9. Bamf

Surely Nightcrawler's famous teleportation noise is more like a "poof"?