There are 8 words that start with 'misbeh'.
| misbehave | misbehaved | misbehaver | 
| misbehaves | misbehavers | misbehaving | 
| misbehavior | misbehaviors | |
Note: These 8 words that start with 'misbeh' are found from the USA & Canada version of the tournament Scrabble word list.