There are 1,431 10-letter words that start with 'a'.
Note: These 1,431 10-letter words that start with 'a' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with an, al, ar, ac, ap, as, am, ad, ab, au, at, ag, af, ai, av, ae, aw, ax, aq, az, aa, ah, ay, ao, ak, aj.
2-letter words start with 'a' (16)