There are 20 words that start with 'balk'.
| balk | balks |
| balky | balked |
| balker | balkers |
| balkier | balkily |
| balking | balkiest |
| balkline | balkanize |
| balkiness | balklines |
| balkanized | balkanizes |
| balkanizing | balkinesses |
| balkanization | balkanizations |
Note: These 20 words that start with 'balk' are found from the USA & Canada version of the tournament Scrabble word list.