There are 11 words that start with 'unlike'.
| unlike | unliked | 
| unlikely | unlikelier | 
| unlikeness | unlikeliest | 
| unlikelihood | unlikeliness | 
| unlikenesses | unlikelihoods | 
| unlikelinesses | |
Note: These 11 words that start with 'unlike' are found from the USA & Canada version of the tournament Scrabble word list.