You can find the full set of valid words that can be produced from the letters in CATCHY.
Words You Can Make from CATCHY
3-letter words
- ACT5
- CAT5
- CAY8
- CHA8
- HAT6
- HAY9
- THY9
- YAH9
4-letter words
- ACHY12
- CHAT9
- TACH9
5-letter words
- CATCH12
- YACHT13
6-letter words
- CATCHY16
The list above provides every word you can make from CATCHY using its letters alone. This results in 14 valid words usable in games.