along with vs on top of

along with

prep

  • In addition to. 

on top of

prep

  • In addition to something else. 

  • Atop 

  • Fully informed about, and in control of, something; up to speed with. 

  • Very close to, in any orientation or in time. 

How often have the words along with and on top of occurred in a corpus of books? (source: Google Ngram Viewer )