There are 17 10-letter words that start with 'gy'.
| gymnasiums | gymnastics | gymnosperm |
| gynandries | gynandrous | gynarchies |
| gynecology | gyniatries | gynophobes |
| gynophores | gypsophila | gyrational |
| gyrfalcons | gyropilots | gyroplanes |
| gyroscopes | gyroscopic | |
Note: These 17 10-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)