There are 12 7-letter words that start with 'cau'.
caudate | caudles | cauline | caulked |
caulker | causals | causers | causeys |
causing | caustic | cautery | caution |
Note: These 12 7-letter words that start with 'cau' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with caus, caul, caut, caud, cauc, caug.
4-letter words start with 'cau' (1)