invaginate vs rebound

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 

rebound

verb
  • To bound or spring back from a force. 

  • To send back; to reverberate. 

  • To give back an echo. 

  • To jump up or get back up again. 

noun
  • A return to health or well-being; a recovery. 

  • An effort to recover from a setback. 

  • The strike of the ball after it has bounced off a defending player or the crossbar or goalpost. 

  • A romantic partner with whom one begins a relationship (or the relationship one begins) for the sake of getting over a previous, recently ended romantic relationship. 

  • An instance of catching the ball after it has hit the rim or backboard without a basket being scored, generally credited to a particular player. 

  • The recoil of an object bouncing off another. 

  • The period of getting over a recently ended romantic relationship. 

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