Commonly mispronounced words
  English American
sacred
sacrilege
sarcasm
says
scarce
sceptic (n, adj)
schedule
scheme
seize
shakeup
signal
signature
significance
simultaneous
situation
Slav
slave
societal
sociology
soften
sow (v)
species (sg, pl)
specific
spectator
speedometer
spontaneity
spontaneous
status
stimulus
stipend
strategic
strategy
subject (n)
subject (v)
subsidiary
subtle
success
succinct
suede
superfluous
superiority
surface
survey (n)
survey (v)
suspect (n, adj)
suspect (v)
sword
synthesis