The initial idioms of the letter S

scamper	scamp
scan in	scandal sheet
scandal	scank
scanless	scar over
Scarborough warning	scarce
scarce as hen's teeth	scarcely
scarcely ever	scarcer
scarcer than hens' teeth	scare
scare (someone) silly	scare (someone) straight
scare away	scare away from
scare off	scare out of
scare someone or something up	scare stiff
scare story	scare the (living) daylights out of (someone)
scare the bejabbers out of (someone)	scare the bejabers out of (someone)
scare the bejeebers out of (someone)	scare the crap out of (someone)