There are 22 words that start with 'whoo'.
| whoof | whoop | whoofs |
| whoops | whoosh | whoofed |
| whooped | whoopee | whooper |
| whoopie | whoopla | whoosis |
| whoofing | whoopees | whoopers |
| whoopies | whooping | whooplas |
| whooshed | whooshes | whooshing |
| whoosises | ||
Note: These 22 words that start with 'whoo' are found from the USA & Canada version of the tournament Scrabble word list.