There are 11 words that start with 'drin'.
| drink | drinks | 
| drinker | drinkers | 
| drinking | drinkable | 
| drinkably | drinkings | 
| drinkables | drinkability | 
| drinkabilities | |
Note: These 11 words that start with 'drin' are found from the USA & Canada version of the tournament Scrabble word list.