There are 19 8-letter words that start with 'mai'.
| maiasaur | maidenly | maidhood | maieutic | 
| mailable | mailbags | mailgram | mailings | 
| mailless | maillots | mailroom | mainland | 
| mainline | mainmast | mainsail | mainstay | 
| maintain | maintops | maiolica | |
Note: These 19 8-letter words that start with 'mai' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with main, mail, maid, maim, maia, mais, maih, maio, mair, maiz, maie, maig.
4-letter words start with 'mai' (5)