There are 10 words that start with 'indif'.
| indifferent | indifference | 
| indifferency | indifferences | 
| indifferently | indifferencies | 
| indifferentism | indifferentist | 
| indifferentisms | indifferentists | 
Note: These 10 words that start with 'indif' are found from the USA & Canada version of the tournament Scrabble word list.