There are 14 12-letter words that start with 'coc'.
| cocaptaining | cocarcinogen | cochairwoman |
| cochairwomen | cockeyedness | cockfighting |
| cockleshells | cockneyfying | cocksureness |
| cocounseling | cocounselled | cocultivated |
| cocultivates | cocurricular | |
Note: These 14 12-letter words that start with 'coc' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with cock, coco, coca, coch, cocc, cocu, cocr, coci.
4-letter words start with 'coc' (3)