There are 9 13-letter words that start with 'cyc'.
| cyclicalities | cycloaddition |
| cyclodextrins | cyclohexanone |
| cycloheximide | cycloolefinic |
| cycloparaffin | cyclopropanes |
| cyclosporines | |
Note: These 9 13-letter words that start with 'cyc' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with cycl, cyca.
5-letter words start with 'cyc' (4)