There are 21 words that start with 'jagg'.
| jagg | jaggs | jaggy | 
| jagged | jagger | jaggary | 
| jaggers | jaggery | jaggier | 
| jaggies | jagging | jaggeder | 
| jaggedly | jagghery | jaggiest | 
| jaggaries | jaggedest | jaggeries | 
| jaggedness | jaggheries | jaggednesses | 
Note: These 21 words that start with 'jagg' are found from the USA & Canada version of the tournament Scrabble word list.