There are 11 words that start with 'indoc'.
| indocile | indocility | 
| indocilities | indoctrinate | 
| indoctrinated | indoctrinates | 
| indoctrinator | indoctrinating | 
| indoctrination | indoctrinators | 
| indoctrinations | |
Note: These 11 words that start with 'indoc' are found from the USA & Canada version of the tournament Scrabble word list.