- Sunrise
- Sunshade
- Sunstroke
- Suo moto
- Super
- Super computer
- Super fineness
- Super physical
- Super sensitiveness
- Super session
- Super sopper
- Super state
- Super terrestrial
- Super-duper
- Super-saturation
- Superabundance
- Superannuate
- Superannuation
- Superbness
- Superego
- Superficies
- Superfine
- Superfluity
- Superfluously
- Superfluousness
- Superglue
- Superintend
- Superintendency
- Superintendent
- Superiority complex
- Superlative
- Supernaturalist
- Supernaturally
- Superphosphate
- Superposition
- Supersedence
- Supersensitive
- Supersonic jet plane
- Supersribe
- Superstitiously
- Superstitiousness
- Superstratum
- Supine
- Supinely
- Suplantation
- Supper
- Supple
- Supplementing
- Suppleness
- Supplicant
- Supplication
- Supplies
- Supporing
- Supporters
- Suppose
- Supposititiously
- Suppress
- Suppressed
- Suppurate
- Sure
- Swoop
- Sure enough
- Sure-footed
- Surety
- Surf
- Surf-boat
- Surface
- Surrealist
- Surface-joint
- Surfboard
- Surfeit
- Surfer
- Surfy
- Surge tectonics
- Surgeon dentist
- Surgical strike
- Surliness
- Surly
- Surmounting
- Surpassing
- Surpassingly
- Surprise packet
- Surprised
- Surprisingness
- Surrender
- Surrendering a pawn
- Surrey
- Surrounded by
- Surrounding
- Survival
- Susbtitute
- Sushumna
- Suspected
- Suspend
- Suspended
- Suspended animation
- Suspender
- Suspense
- Suspicion
- Suspicious circumstances