check up on vs look-see

check up on

verb
  • To examine or inspect something in order to determine its condition; to check out. 

  • To look after or inquire about someone's well-being. 

look-see

verb
  • To make a quick inspection, especially as a lookout or scout. 

noun
  • A brief examination, a peek or glance. 

  • An audition attended by an actor or model so that they can be visually appraised. 

  • I’ve had a look-see at your work, and I think you’ve done a pretty good job of things. 

  • A person who serves as lookout or scout. 

How often have the words check up on and look-see occurred in a corpus of books? (source: Google Ngram Viewer )