steamer vs. steamship
steam vs. steamer
scallop vs. scollop
shipworm vs. teredinid
slater vs. woodlouse
shoebill vs. shoebird
sailor vs. skimmer
stilt vs. stiltbird
spile vs. stilt
seabird vs. seafowl
sleuth vs. sleuthhound
seal vs. stamp
seal vs. sealskin
seal vs. varnish
scarab vs. scarabaeus
searcher vs. seeker
sciara vs. sciarid
spongefly vs. spongillafly
souslik vs. suslik
steer vs. wind
seed vs. sow
sambar vs. sambur
steenbok vs. steinbok
sassaby vs. topi
springbok vs. springbuck
sleuth vs. stag
spy vs. stag
snoop vs. stag
shutout vs. skunk
stifle vs. suffocate
smother vs. stifle
stifle vs. strangle
scape vs. shaft
shaft vs. spear
shaft vs. tool
sake vs. saki
schrod vs. scrod
sard vs. sardine
sardine vs. sardius
surffish vs. surfperch
stargazer vs. uranologist
Ubermensch vs. superman
supporter vs. suspensor
saunterer vs. stroller
sponsor vs. supporter
saloon vs. taphouse
saloon vs. sedan
stripe vs. stripes
sanatarium vs. sanatorium
sanatorium vs. sanitarium
sousaphone vs. tuba
screen vs. sieve
screen vs. screenland
screen vs. sort
screen vs. test
sap vs. saphead
sap vs. tire
strand vs. string
string vs. twine
string vs. train
spur vs. urging
saber vs. sabre
sink vs. sinkhole
sink vs. slump
sink vs. subside
settle vs. sink
sticker vs. stumper
sticker vs. toughie
shorts vs. trunks
spigot vs. tap
story vs. taradiddle
story vs. tarradiddle
story vs. tale
sceneshifter vs. shifter
shack vs. trail
splice vs. splicing
splice vs. wed
speaker vs. utterer
speaker vs. verbalizer
speaker vs. verbaliser
subway vs. underground
subway vs. underpass
sled vs. sledge
sledge vs. sleigh
sledge vs. sledgehammer
scene vs. setting
scope vs. telescope
shroud vs. tack
stopper vs. stopple
shovel vs. shovelful
shovel vs. spadeful
smokestack vs. stack
shred vs. tag
scintilla vs. shred
shred vs. whit
shred vs. smidgen
shred vs. smidgeon
shred vs. smidgin
shred vs. smidge
sax vs. saxophone
salwar vs. shalwar
samisen vs. shamisen
saddlery vs. tack
scarecrow vs. strawman
scarecrow vs. scarer
sandbag vs. stun
sandbox vs. sandpile
sandbox vs. sandpit
scauper vs. scorper
scene vs. view
scene vs. scenery
sarcenet vs. sarsenet
saree vs. sari
schlock vs. shlock
school vs. schoolhouse
school vs. shoal
school vs. schooltime
school vs. train
sheet vs. tack
satinet vs. satinette
staff vs. stave
scoop vs. soap
scoop vs. scoopful
salade vs. sallet
seascape vs. waterscape
seat vs. tail
seat vs. sit
selsyn vs. synchro
selvage vs. selvedge
sewer vs. sewerage
sewer vs. toilet
sewage vs. sewerage
semi vs. semitrailer
semi vs. semifinal
scrabble vs. scribble
scratch vs. scribble
scrawl vs. scribble
sequenator vs. sequencer
scribe vs. scriber
scribe vs. scrivener
scribbler vs. scribe
shade vs. tincture
shade vs. tone
shade vs. tint
shade vs. spook
shade vs. wraith
shade vs. specter
shade vs. spectre
shade vs. subtlety
shade vs. shadiness
shade vs. shadowiness
shade vs. shadow
secretaire vs. secretary
sarape vs. serape
sector vs. sphere
server vs. waiter
scum vs. trash
shard vs. sherd
sharper vs. sharpie
sharpie vs. sharpy
seesaw vs. teeter
seesaw vs. teetertotter
seesaw vs. teeterboard
seesaw vs. totter
stamp vs. tender
settee vs. settle
settle vs. subside
scourge vs. terror
shuttle vs. shuttlecock
serigraph vs. silkscreen
sheeprun vs. sheepwalk
shoetree vs. tree
shofar vs. shophar
shopfront vs. storefront
shellac vs. shellack
singlet vs. vest
singlet vs. undershirt
shillalah vs. shillelagh
scattergun vs. shotgun
siding vs. turnout
sidetrack vs. turnout
sidetrack vs. straggle
sieve vs. sift
ship vs. transport
shipway vs. ways
shipway vs. slipway
sign vs. signboard
sign vs. subscribe
shipwreck vs. wreck
salesroom vs. showroom
saleroom vs. showroom
shirtwaist vs. shirtwaister
sling vs. slingback
snare vs. trap
snips vs. tinsnips
schnorkel vs. snorkel
schnorchel vs. snorkel
slop vs. slops