- separate
- seismometer
- stylograph
- serologist
- surmount
- Serbian
- Self-evident
- Self-help
- Self-respect
- Shilly-shally
- Self-denial
- Stand-by
- Sauerkraut
- Sacral
- Sister-in-law
- Self-sacrifice
- Semi-circle
- Selfmade
- Short-sighted
- Samovar
- Sub-
- Seagirt
- Second-hand
- Self-discipline
- Self-importance
- Self-pity
- Self-sufficiency
- South-east
- Squint-eyed
- Scandent
- Scalene
- Scission
- Scunner
- Secondrate
- Seiche
- Selfconfidence
- Selfcontrol
- Selfconscious
- Selfdestruction
- Self-deception
- Selfdefence
- Selfpity
- Selfrespect
- Selfgovernment
- Selfsacrifice
- Self-seeker
- Selfesteem
- Sentential
- Shebang
- Shrimper