There are 18 words that start with 'cei'.
| ceil | ceiba | ceili |
| ceils | ceibas | ceiled |
| ceiler | ceilis | ceilers |
| ceilidh | ceiling | ceilidhs |
| ceilings | ceinture | ceilinged |
| ceintures | ceilometer | ceilometers |
Note: These 18 words that start with 'cei' are found from the USA & Canada version of the tournament Scrabble word list.