There are 15 words that start with 'aviat'.
| aviate | aviated | aviates |
| aviatic | aviator | aviating |
| aviation | aviators | aviatrix |
| aviations | aviatress | aviatrice |
| aviatrices | aviatrixes | aviatresses |
Note: These 15 words that start with 'aviat' are found from the USA & Canada version of the tournament Scrabble word list.