There are 24 words that start with 'kai'.
| kaif | kail | kain |
| kaiak | kaifs | kails |
| kains | kaiaks | kainit |
| kaiser | kainite | kainits |
| kaisers | kailyard | kainites |
| kaiserin | kailyards | kairomone |
| kaiserdom | kaiserins | kaiserism |
| kairomones | kaiserdoms | kaiserisms |
Note: These 24 words that start with 'kai' are found from the USA & Canada version of the tournament Scrabble word list.