RichThesaurus
scare the life out of
vs
send shivers down someone's spine
scare the life out of
verb
To scare something or someone to a great degree.
send shivers down someone's spine
verb
To terrify; to make someone feel extremely nervous.
How often have the words
scare the life out of
and
send shivers down someone's spine
occurred in a corpus of books?
(source:
Google Ngram Viewer
)