I've put together a list of many common fetishes for you:
- Bimbo
- Body growth/shrink
- BDSM
- Breast growth/shrink
- Corruption
- Cross-dressing
- Femdom
- Foot fetish
- Genitals growth/shrink
- Inflation
- Lactation
- Mental change
- Mind control/hypnosis
- Robots/machines
- Size difference
- Tentacles
- Transformation
- Vore