There are 17 words that start with 'megap'.
| megapod | megaplex | megapode |
| megapods | megaphone | megapixel |
| megapodes | megaparsec | megaphoned |
| megaphones | megaphonic | megapixels |
| megaplexes | megaparsecs | megaphoning |
| megaproject | megaprojects | |
Note: These 17 words that start with 'megap' are found from the USA & Canada version of the tournament Scrabble word list.