preserve vs world

preserve

verb
  • To maintain throughout; to keep intact. 

  • To save from decay by the use of some preservative substance, such as sugar or salt; to season and prepare (fruits, meat, etc.) for storage. 

  • To protect; to keep from harm or injury. 

noun
  • An activity with restricted access. 

  • A sweet spread made of any of a variety of fruits. 

  • A reservation, a nature preserve. 

world

verb
  • To make real; to make worldly. 

  • To consider or cause to be considered from a global perspective; to consider as a global whole, rather than making or focussing on national or other distinctions; compare globalise. 

noun
  • A realm, such as a planet, containing one or multiple societies of beings, especially intelligent ones. 

  • A planet, especially one which is inhabited or inhabitable. 

  • An individual or group perspective or social setting. 

  • A subdivision of a game, consisting of a series of stages or levels that usually share a similar environment or theme. 

  • The subjective human experience, regarded collectively; human collective existence; existence in general. 

  • Any other astronomical body which may be inhabitable, such as a natural satellite. 

  • The Universe. 

  • The twenty-second trump or major arcana card of the tarot. 

  • A majority of people. 

  • The Earth. 

  • A very large extent of country. 

  • The subjective human experience, regarded individually. 

  • The part of an operating system distributed with the kernel, consisting of the shell and other programs. 

  • A great amount. 

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