Need Permission Help !!

Im good at setting up plugins etc But for some reason Some Of my Permissions Just wont work

Here they are :
permissions:
- bukkit.command.kill
- plotme.use
- zombies.use.*
- zombies.join.NachtDerUntoten
- zombies.leave
- PaintWar.join
- PaintWar.leave
- PaintWar.stats
- magicsigns.command.use
- echopet.pet.*
- essentials.spawn
- sg.arena.join.*
- sg.arena.vote
- sg.arena.spectate
- sg.lobby.join

The Permissions that wont work are
Zombies
and Survival Games If anyone can help add me on skype or Reply Here Thank You