rondeau
A word that starts with S and ends with X is sphinx.
The longest word that starts with an "s" and ends with an "r" is "supercomputer."
rondeau
jar...
Czar is a 4 letter word. It begins with C and ends with R.
One example of a long word that starts with "s" and ends with "r" is "supercomputer."
rotunda
Rota
air
rutabaga
Pincer, picker.
rotator