There are 16 words that start with 'recep'.
| recept | recepts | 
| receptor | reception | 
| receptive | receptors | 
| receptacle | receptions | 
| receptacles | receptively | 
| receptivity | receptionist | 
| receptionists | receptiveness | 
| receptivities | receptivenesses | 
Note: These 16 words that start with 'recep' are found from the USA & Canada version of the tournament Scrabble word list.