There are 5 14-letter words that start with 'cycl'.
| cycloadditions | cycloaliphatic |
| cyclohexanones | cycloheximides |
| cycloparaffins | |
Note: These 5 14-letter words that start with 'cycl' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with cyclo, cycli, cycle, cycla.
5-letter words start with 'cycl' (2)