Fears & Phobias: Beginning with 's'
Spacephobia: Fear of outer space.
Spectrophobia: Fear of specters or ghosts.
Spermatophobia or Spermophobia: Fear of germs.
Spheksophobia: Fear of wasps.
Stasibasiphobia or Stasiphobia: Fear of standing or walking. (Ambulophobia)
Staurophobia: Fear of crosses or the crucifix.
Stenophobia: Fear of narrow things or places.
Stygiophobia or Stigiophobia: Fear of hell.
Suriphobia: Fear of mice.
Symbolophobia: Fear of symbolism.