There are 3 15-letter words that start with 'gy'.
| gynandromorphic | gyrofrequencies |
| gyrostabilizers | |
Note: These 3 15-letter words that start with 'gy' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with gyr, gyn, gyp, gym, gyb, gyv, gyo, gyt.
3-letter words start with 'gy' (2)