There are 10 words that start with 'outbi'.
| outbid | outbids | outbitch |
| outbidden | outbidder | outbidders |
| outbidding | outbitched | outbitches |
| outbitching | ||
Note: These 10 words that start with 'outbi' are found from the USA & Canada version of the tournament Scrabble word list.