saunter vs. stroll
sally vs. sortie
stage vs. stagecoach
shamble vs. shambling
shamble vs. shuffle
shamble vs. shuffling
scuffle vs. shamble
shuffle vs. shuffling
sleepwalking vs. somnambulism
sleepwalking vs. somnambulation
stalk vs. stalking
stalk vs. stem
stalk vs. stubble
shuck vs. stalk
somniloquism vs. somniloquy
sashay vs. strut
strut vs. tittup
sashay vs. sidle
swing vs. vacillation
sweep vs. swing
sway vs. swing
sail vs. sheet
sail vs. voyage
sail vs. sweep
spacefaring vs. spaceflight
slide vs. slideway
slide vs. swoop
slide vs. slither
shoe vs. skid
soar vs. zoom
sailplane vs. soar
soar vs. surge
shadowing vs. tailing
schlep vs. shlep
schlep vs. schlepper
schlep vs. shlepper
shlep vs. traipse
slam vs. sweep
sweep vs. traverse
scud vs. scudding
shudder vs. tremor
shiver vs. shudder
shudder vs. thrill
shudder vs. tingle
shudder vs. throb
span vs. yoke
span vs. twosome
span vs. twain
span vs. traverse
squirm vs. wiggle
squirm vs. twist
shaking vs. vibration
shake vs. wag
shake vs. tremble
shake vs. shiver
shake vs. trill
shake vs. shingle
shake vs. stir
shake vs. stimulate
shake vs. sway
shake vs. throw
stream vs. watercourse
stream vs. swarm
stream vs. teem
stoep vs. stoop
stoop vs. stoup
speed vs. speeding
speed vs. upper
speed vs. swiftness
speed vs. velocity
speed vs. zip
spray vs. spraying
scatter vs. scattering
scatter vs. strewing
surge vs. upsurge
spate vs. surge
scend vs. surge
surge vs. tide
subjunction vs. supplementation
subjoining vs. supplementation
supplement vs. supplementation
severance vs. severing
snip vs. snippet
snip vs. snipping
storage vs. store
storage vs. storehouse
shrinkage vs. shrinking
saturation vs. vividness
stripping vs. uncovering
slash vs. slice
slash vs. whip
slash vs. toss
subdivision vs. subsection
section vs. subdivision
syllabication vs. syllabification
secession vs. withdrawal
secession vs. sezession
strapado vs. strappado
savageness vs. savagery
scald vs. whip
symbolism vs. symbolization
symbolisation vs. symbolism
symbolisation vs. symbolization
symbol vs. symbolisation
slavery vs. thrall
surfboarding vs. surfing
surfing vs. surfriding
somersault vs. somerset
somersault vs. summersault
somersault vs. summerset
somersault vs. somersaulting
sport vs. sportsman
sport vs. sportswoman
sport vs. summercater
spar vs. sparring
shank vs. stem
stem vs. theme
stanch vs. stem
shinney vs. shinny
stud vs. studhorse
scantling vs. stud
shovelboard vs. shuffleboard
screening vs. showing
showing vs. viewing
shew vs. show
show vs. testify
show vs. usher
song vs. strain
strain vs. striving
strain vs. tenor
strain vs. variant
strain vs. stress
strain vs. tense
sieve vs. strain
sift vs. strain
strain vs. try
strip vs. striptease
strip vs. undress
strip vs. uncase
strip vs. unclothe
stripper vs. striptease
striptease vs. stripteaser
screw vs. shag
screwing vs. shag
shimmy vs. wobble
stomp vs. stump
stamp vs. stomp
stir vs. touch
stimulate vs. stir
slice vs. slit
scamper vs. scramble
scamper vs. scurry
scamper vs. scuttle
scamper vs. skitter
scramble vs. scuffle
shank vs. waist
surprisal vs. surprise
storm vs. surprise
serve vs. suffice
site vs. situation
seigneury vs. seigniory
seigniory vs. signory
specialisation vs. specialization
specialization vs. specialty
speciality vs. specialization
specialism vs. specialization
speciality vs. specialty
specialness vs. specialty
specialty vs. strength
spiritualisation vs. spiritualization
search vs. seek
sudor vs. sweat
stew vs. sweat
sweat vs. swither
sudate vs. sweat
stenography vs. tachygraphy
subbing vs. substituting
study vs. survey
survey vs. view
sight vs. survey
sketch vs. survey
surveil vs. survey
sketch vs. study
study vs. work
study vs. take
spectrometry vs. spectroscopy
sewing vs. stitching
sewing vs. stitchery
section vs. segment
shenanigan vs. trickery
shenanigan vs. wile
spatter vs. spattering
spatter vs. splattering
spatter vs. sputter
spatter vs. splutter
spatter vs. splatter
spatter vs. sputtering
spatter vs. swash