We couldn't find any words for the clue “Decidable” but these descriptions might be helpful:
- Desirable (13 words, e.g. CHOICE)
- Definable (= DETERMINABLE)
- Dividable (2 words, e.g. DIVISIBLE)
- Decayable (4 words, e.g. SPOILABLE)
- Deniable (4 words, e.g. REFUTABLE)