invaginate vs turn up

invaginate

verb
  • To turn or fold inwardly. 

  • To fold inward to create a hollow space where none had existed, as with a gastrula forming from a blastula. 

  • To fold up or enclose into a sheath-like or pouch-like structure, either naturally or as part of a surgical procedure. 

adj
  • Having one portion of a hollow organ drawn back within another portion. 

  • sheathed 

turn up

verb
  • To reposition by rotating, flipping, etc. upwards. 

  • To cause to appear; to find by searching, etc. 

  • To show up; to appear suddenly or unexpectedly. 

  • To increase the amount of something by means of a control, such as the volume, heat, or light. 

  • To party hard, especially when involving alcohol or drugs. 

  • To belay or make fast a line on a cleat or pin. 

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