There are 18 words that start with 'overti'.
| overtip | overtime |
| overtips | overtire |
| overtight | overtimed |
| overtimes | overtimid |
| overtired | overtires |
| overtiming | overtipped |
| overtiring | overtighten |
| overtipping | overtightens |
| overtightened | overtightening |
Note: These 18 words that start with 'overti' are found from the USA & Canada version of the tournament Scrabble word list.