There are 21 9-letter words that start with 'ya'.
Note: These 21 9-letter words that start with 'ya' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with yar, yaw, yam, yac, yap, yau, yan, yak, yat, yab, yah, yag, yas, yaf, yai, yay, yal.
3-letter words start with 'ya' (8)