screenplay
A 13-letter word that starts with "s" and ends with "s" is "schoolteachers."
An eight letter word that starts with S and ends with T: satiristshortestsmallestsmarteststagnantstalwartstiffeststridentsubtract
Sandman (starts with S ends with N - 7 letter word)
A word that starts with S and ends with X is sphinx.
SMILER - There is a mile between the s and the r!
Semi
quotes
yes
salesmanshipscallopscholarshipsharpsheepshipshortstopsitupskipskycapsleepslumpsnowdropsoapsoupspaceshipsponsorshipstampsteamshipstepstickupstopstrapstripstumpswampsweepsyrup
A word that starts with S and ends with A: stigmata.
Scissors is an 8 letter word. It begins and ends with S.
One example of a long word that starts with "s" and ends with "r" is "supercomputer."