- sprue bushing
- sprue cup
- sprue cutter
- sprue gate
- sprue hole
- sprue opening
- sprue puller
- sprueing
- spruexi
- spruik
- spruiker
- spruing
- spruit
- sprung
- sprung arch
- sprung gear
- sprung mass
- sprung weight
- spry
- spryly
- spryness
- spud
- spud mud
- spud vibrator
- spud-bashing
- spudder
- spudding
- spudding bit
- spudding in
- spudding pulley
- spuddle
- spuddy
- spuder
- spue
- spume
- spumescence
- spumescent
- spuminess
- spumous
- spumy
- spun
- spun casting
- spun concrete
- spun glass
- spun pipe
- spun silk
- spun sugar
- spun yarn
- spun-ware
- spund
- spung
- spunge
- spunk
- spunky
- spur
- spur dike
- spur duct
- spur dyke
- spur fault
- spur gear
- spur gears
- spur jetty
- spur line
- spur offtake
- spur post
- spur road
- spur teeth
- spur track
- spur-wheel
- spurdog
- spurge
- spurious
- spurious coin
- spurious component
- spurious correlation
- spurious dumping
- spurious emission
- spurious evidence
- spurious level
- spurious modulation
- spurious modulator
- spurious parasite
- spurious periodicity
- spurious radiation
- spurious response
- spurious signal
- spuriously
- spuriousness
- spurline
- spurn
- spurner
- spurred
- spurrey
- spurrier
- spurrite
- spurry
- spurt
- spurtle
- sputa
- sputnik