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.