There are 15 words that start with 'kern'.
| kern | kerne | kerns | 
| kerned | kernel | kernes | 
| kernels | kerning | kernite | 
| kerneled | kernelly | kernites | 
| kerneling | kernelled | kernelling | 
Note: These 15 words that start with 'kern' are found from the USA & Canada version of the tournament Scrabble word list.