"condom," by 1939, slang, from scum + bag (n.). Earlier (by 1817) it was used in sugar refining as the name of a frame covered in coarse cloth used in straining. Meaning "despicable person" is attested by 1971.
scullion
sculpt
sculptor
sculpture
scum
scumbag
scummy
scupper
scuppernong
scurf
scurfy