There are 14 10-letter words that start with 'cycl'.
| cyclamates | cyclically | cyclizines |
| cyclodiene | cyclometer | cyclonites |
| cyclopedia | cyclopedic | cycloramas |
| cycloramic | cyclostome | cyclostyle |
| cyclotomic | cyclotrons | |
Note: These 14 10-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)