There are 19 words that start with 'beha'.
| behalf | behave |
| behaved | behaver |
| behaves | behalves |
| behavers | behaving |
| behavior | behaviors |
| behaviour | behavioral |
| behaviours | behaviorism |
| behaviorist | behaviorally |
| behaviorisms | behaviorists |
| behavioristic | |
Note: These 19 words that start with 'beha' are found from the USA & Canada version of the tournament Scrabble word list.