- sawdust
- saxifrage
- spark
- scabble
- scaffolder
- scald-head
- scaly
- scam
- scamp
- scandinavian
- scar
- specialist
- speechless
- semeiometer
- scarlet fever
- scarlet-hat
- spell
- scathing
- scathing attack
- scent organ
- sceptic
- spill the beans
- schlock
- scholarly
- schooling
- serjeant at-arms
- science of letters
- scientific name
- scissile
- scolding
- score points off
- scot-free
- sexy
- scottish
- scraggy
- scrap-iron
- scratch
- spurn
- scuffle
- screw-chisel
- sempervirent
- scripture
- stake
- scrounge
- scud
- sculpture
- snatcher
- sea
- standard
- sea urchin
- sea-elephant
- sea-food
- seal-fishing
- seam
- seamy-side
- seaplane
- seaquake
- searchings of heart
- season
- static
- stationary
- slipper
- second-class
- secondary interest
- secondly
- secret
- secret door
- secret police
- sector
- slender
- secular state
- stand down
- sedan car
- sedative
- see person damned
- see the light of the day
- see the red-light
- see the sights
- see through
- sequaciousness
- seed pearl
- seeing is believing
- seeker
- segregate
- seismologist
- seized
- seizes by the claws
- select committee
- self
- self appraisal
- self-assured
- star in gemini
- self-communion
- self-deceiver
- self-denial
- stipulation
- stitch
- shy away
- self-distrust
- syphilis