There are 16 words that start with 'deriva'.
| derivate | derivable | 
| derivates | derivation | 
| derivative | derivatize | 
| derivations | derivatives | 
| derivatized | derivatizes | 
| derivational | derivatively | 
| derivatizing | derivativeness | 
| derivatization | derivatizations | 
Note: These 16 words that start with 'deriva' are found from the USA & Canada version of the tournament Scrabble word list.