There are 11 words that start with 'oti'.
| otic | otiose | otitic |
| otitis | otiosely | otiosity |
| otitides | otitises | otioseness |
| otiosities | otiosenesses | |
Note: These 11 words that start with 'oti' are found from the USA & Canada version of the tournament Scrabble word list.