There are 14 words that start with 'rugge'.
| rugged | rugger | 
| ruggers | ruggeder | 
| ruggedly | ruggedest | 
| ruggedize | ruggedized | 
| ruggedizes | ruggedness | 
| ruggedizing | ruggednesses | 
| ruggedization | ruggedizations | 
Note: These 14 words that start with 'rugge' are found from the USA & Canada version of the tournament Scrabble word list.