do up vs unzip

do up

verb
  • To beat up; to physically assault. 

  • To execute a task or performance. 

  • To pack together and envelop; to pack up. 

  • To redecorate (a room, etc.); to make improvements to a home or domestic property. 

  • To fasten (a piece of clothing, etc.); to tighten (a nut etc.) 

unzip

verb
  • To open something using a zipper. 

  • To come open by means of a zipper. 

  • To restore (compressed data) to its original form, from a zip file. 

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