There are 18 6-letter words that start with 'cer'.
| cerate | cercal | cercis | cercus | cereal | 
| cereus | cerias | cering | ceriph | cerise | 
| cerite | cerium | cermet | cerous | certes | 
| ceruse | cervid | cervix | ||
Note: These 18 6-letter words that start with 'cer' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with cere, cert, cera, cerv, ceru, ceri, cerc, cero, cerm, cern.
4-letter words start with 'cer' (2)