There are 19 10-letter words that start with 'cock'.
Note: These 19 10-letter words that start with 'cock' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with cocks, cocka, cocke, cockl, cockn, cocki, cockb, cockc, cockf, cockt, cockh, cockp, cockr, cocku, cocky.
5-letter words start with 'cock' (2)