check up on vs fix up

check up on

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

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

fix up

verb
  • To prepare or provide (something). 

  • To set up a date or to introduce people with the intention of a possible romantic or sexual coupling. 

  • To repair or refurbish. 

  • To provide (someone) with something; to furnish. 

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