- sugar water
- school ship
- sister ship
- slave ship
- small ship
- ship biscuit
- swedish krona
- serial murderer
- suppurating sore
- shitwork
- stinky squid
- stinkweed
- sea catfish
- silurid
- spoonbill catfish
- silurid fish
- striped marlin
- simple absence
- subclinical absence
- self_absorption
- such as
- superposed
- selfmotivated
- sisterly
- samey
- superstring
- spitting image
- self_seeker
- scalar product
- signature testing
- second epistle to the thessalonians
- second epistle to timothy
- second epistle of paul the apostle to the thessalonians
- second epistle of paul the apostle to timothy
- second epistel of john
- second epistle of paul the apostle to the corinthians
- second epistle of peter
- second epistle to the corinthians
- sanchez
- slackening of the joints and parts of the body (on account of excessive physical strain or sudden heavy jerk or impact)
- scrimshanker
- spitzbergen
- slugfest
- simss position
- sea chantey
- shanny
- st. gregory of nazianzen
- spun yarn
- spontaneous contraction
- spark coil