There are 1,621 11-letter words that start with 's'.
Note: These 1,621 11-letter words that start with 's' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with su, st, se, sp, sa, sh, sc, so, si, sl, sy, sn, sw, sk, sm, sq, sv, sf, sr, sj, sg.
2-letter words start with 's' (3)