presentation software vs software

presentation software

noun
  • A computer software package used to display information, normally in the form of a slide show. 

software

noun
  • Hyponyms: application software, data-oriented software, kitchen table software, on-premises software, malware, schlockware, shareware, shovelware, spyware, system software 

  • Encoded computer instructions, usually modifiable (unless stored in some form of unalterable memory such as ROM). 

  • The human beings involved in warfare, as opposed to hardware such as weapons and vehicles. 

How often have the words presentation software and software occurred in a corpus of books? (source: Google Ngram Viewer )