There are 17 words that end with 'rilla'.
| barilla | gorilla | 
| perilla | zorilla | 
| cabrilla | guerilla | 
| hydrilla | fibrilla | 
| spirilla | camarilla | 
| cuadrilla | guerrilla | 
| banderilla | cascarilla | 
| sarsaparilla | antiguerrilla | 
| counterguerilla | |
Note: These 17 words that end with 'rilla' are found from the USA & Canada version of the tournament Scrabble word list.