There are 13 11-letter words that start with 'woo'.
| woodchopper | woodcutters | woodcutting |
| woodenheads | woodenwares | woodinesses |
| woodlanders | woodpeckers | woodshedded |
| woodworkers | woodworking | woolinesses |
| woozinesses | ||
Note: These 13 11-letter words that start with 'woo' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with wood, wool, woof, wooz, woos, woop, woor, wooe, wooi, woom.
4-letter words start with 'woo' (4)