There are 13 words that start with 'accid'.
| accidia | accidie |
| accident | accidias |
| accidies | accidence |
| accidents | accidences |
| accidental | accidently |
| accidentals | accidentally |
| accidentalness | |
Note: These 13 words that start with 'accid' are found from the USA & Canada version of the tournament Scrabble word list.