Synoptic, sweeping
death, deals, depth.
thin
spring
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.
12
StupidQuestion
Star
scale
soldier
spruce
Solaris ,
Satsuma