There are 14 words that start with 'decei'.
| deceit | deceits |
| deceive | deceived |
| deceiver | deceives |
| deceitful | deceivers |
| deceiving | deceivable |
| deceitfully | deceivingly |
| deceitfulness | deceitfulnesses |
Note: These 14 words that start with 'decei' are found from the USA & Canada version of the tournament Scrabble word list.