these may seem weird but - screaming, sidesplitting. {from thesaurus.com}
it means switch, i think.
It is scarce.
stare
sexytery
Summer :D
shibboleth
Stop
it is sensation
to move so fast or to move like swish.
The word "census" has the "s" sound at the beginning and end, but not in the middle. In contrast, "established" has the "s" sound in the middle but not at the beginning or end. Therefore, neither word meets the criteria of having an "s" sound at the beginning, middle, and end.
The word 'mockery' originated from late Middle English during the 1400's. it is derived from the French word moquerie. The word mockery means to ridicule, or make fun of.
Another word for opportunity which begins with 'S' is scope.