There are 22 8-letter words that start with 'rai'.
| railbird | railcars | railhead | railings |
| raillery | railroad | railways | raiments |
| rainband | rainbird | rainbows | raincoat |
| raindrop | rainfall | rainiest | rainless |
| rainouts | rainwash | rainwear | raisable |
| raisings | raisonne | ||
Note: These 22 8-letter words that start with 'rai' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with rain, rail, rais, raid, raia, raim, rait.
4-letter words start with 'rai' (5)