>>47621010Soundwaves carry energy. Explosions? Sound. Loud shouting (boomburst)? Sound. Incantations/exorcisms/deadly words? Sound.
>WaterDynamite explosions in Water can straight up kill everything in it within a certain radius (pic related), which is why dynamite fishing is banned.
>GhostsExorcism is the primary way ghosts are dispelled in mythology, both European and Asian.
>IceAvalanches, and snow is a fantastic insulator against sound.
>RockRockwool and other minerals are very good at soundproofing rooms.
>GrassPlants supposedly grow faster if sung to.
>SteelSound travels through steel 17x faster than through air
>FlyingScaring away flocks of birds with sound. During the Great Leap Forward, the Chinese genocided their local sparrow populations by banging pots, pans, and drums so that the birds couldn't rest.
>PsychicPsychic barriers would still physical attacks, but still allow soundwaves through.
You could pick and choose from these to make a good matchup list with Sound. Personally, I think Fairy needs another weakness, and why not make a new type to weaken it a bit?