Fears & Phobias: Beginning with 's'
Scotomaphobia: Fear of blindness in visual field.
Scotophobia: Fear of darkness. (Achluophobia)
Scriptophobia: Fear of writing in public.
Selaphobia: Fear of light flashes.
Selenophobia: Fear of the moon.
Seplophobia: Fear of decaying matter.
Sesquipedalophobia: Fear of long words.
Sexophobia: Fear of the opposite sex. (Heterophobia)
Siderodromophobia: Fear of trains, railroads or train travel.
Siderophobia: Fear of stars.