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.