- sombre
 - sombrero
 - some way or other
 - somebody
 - sound box
 - sound mind
 - sound someone, sound something
 - sounding-lead
 - sounding-line
 - soup
 - sour
 - source
 - soused
 - south
 - south sea
 - south-bound
 - south-west
 - souther
 - southernmost
 - souvenir
 - sovereign
 - sovereignty
 - sovereingly
 - sow
 - soya bean
 - space heater
 - space science
 - space-ship
 - spate
 - spatial
 - spatter
 - spawn
 - speak
 - specification
 - speak for itself
 - speak the same language
 - speak up
 - speak volumes
 - speakable
 - speakeasy
 - speaker
 - speaker ship
 - spear
 - spear-bearer
 - spearhead
 - special
 - special examination
 - special branch
 - special constable
 - speedless
 - speedy
 - spell something out
 - spellbinding
 - spellbound
 - spur
 - spelling check
 - spells of yaga
 - spelunking
 - spender
 - spendthrift
 - sperm
 - sperm cell
 - sperm whale
 - spermatorrhoea
 - spew
 - sphere
 - sphere of thought
 - spheroidical
 - spherulate
 - sphincter
 - sphygmological
 - spice
 - spice something up
 - spicy
 - spider wasp
 - spiel
 - spike
 - spikenard
 - spill
 - spiloma
 - spin
 - spinach
 - spinal chord
 - spindle
 - spindly
 - spine
 - spineless
 - spinning jenny
 - spiny
 - spiracular
 - spiral
 - spiration
 - spirit
 - spirit salts
 - spirit-lamp
 - spirit-rapping
 - spiritualize
 - spiritualness
 - spirituel
 - spissitude