There are 4 14-letter words that start with 'glu'.
| glutaraldehyde | gluttonousness |
| glucocorticoid | glucuronidases |
Note: These 4 14-letter words that start with 'glu' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with glut, gluc, glum, glue, glui, glug, glun, gluh, gluo.
4-letter words start with 'glu' (4)