- somite
- somite embryo
- somitic
- somma crater
- sommaite
- sommelier
- somnambulant
- somnambulate
- somnambulism
- somnambulist
- somnambulistic
- somniferous
- somnific
- somniloquence
- somniloquens
- somniloquism
- somniloquist
- somniloquous
- somniloquy
- somnipathy
- somnolence
- somnolency
- somnolent
- somnolentia
- somnolently
- somnolism
- son
- sonance
- sonancy
- sonant
- sonar
- sonar dome
- sonar set
- sonasthenia
- sonata
- sonatina
- sonde
- sone
- song
- song-bird
- song-book
- song-fest
- song-plugging
- song-sparrow
- song-thrush
- songful
- songless
- songsmith
- songster
- songstress
- songwriter
- sonic
- sonic altimeter
- sonic barrier
- sonic boom
- sonic cleaning
- sonic column
- sonic detector
- sonic drill
- sonic ear
- sonic fatigue
- sonic frequency
- sonic line
- sonic log
- sonic nozzle
- sonic nucleation
- sonic pump
- sonic sonde
- sonic sounding
- sonic speed
- sonic test
- sonic thermometer
- sonic vibration
- sonic wave
- sonically
- sonics
- soniferous
- soniobuoy
- sonitus
- sonless
- sonly
- sonnet
- sonneteer
- sonnic
- sonny
- sonobuoy
- sonochemistry
- sonograph
- sonoluminescence
- sonometer
- sonoplacentography
- sonoprobe
- sonorific
- sonority
- sonorous
- sonorous rale
- sonorously
- sonorousness
- sonoscan
- sonotopography