There are 20 words that start with 'cocc'.
| cocci | coccal | coccic | 
| coccid | coccus | coccyx | 
| coccids | coccoid | coccous | 
| coccidia | coccoids | coccyges | 
| coccyxes | coccidium | coccoidal | 
| coccolith | coccygeal | coccoliths | 
| coccidioses | coccidiosis | |
Note: These 20 words that start with 'cocc' are found from the USA & Canada version of the tournament Scrabble word list.