There are 11 words that start with 'autob'.
| autobus | autobahn |
| autobahns | autobuses |
| autobahnen | autobusses |
| autobiography | autobiographer |
| autobiographic | autobiographers |
| autobiographies | |
Note: These 11 words that start with 'autob' are found from the USA & Canada version of the tournament Scrabble word list.