There are 17 words that start with 'ambula'.
| ambulant | ambulate | ambulacra |
| ambulance | ambulated | ambulates |
| ambulator | ambulacral | ambulacrum |
| ambulances | ambulating | ambulation |
| ambulators | ambulatory | ambulations |
| ambulatories | ambulatorily | |
Note: These 17 words that start with 'ambula' are found from the USA & Canada version of the tournament Scrabble word list.