There are 5 13-letter words that start with 'aer'.
| aerobiologies | aerodynamical |
| aeroembolisms | aeromechanics |
| aeromedicines | |
Note: These 5 13-letter words that start with 'aer' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with aero, aeri, aera, aere, aeru, aery.
4-letter words start with 'aer' (2)