invaginate vs transpose

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 

transpose

verb
  • To move (a term) from one side of an algebraic equation to the other, reversing the sign of the term. 

  • To rewrite or perform (a piece) in another key. 

  • To rearrange elements in a matrix, by interchanging their respective row and column positional indicators. 

  • To give force to a directive by passing appropriate implementation measures. 

  • To reach a position that may also be obtained from a different move order. 

  • To reverse or change the order of (two or more things); to swap or interchange. 

adj
  • A matrix with the characteristic of having been transposed from a given matrix. 

noun
  • The process of rearranging elements in a matrix, by interchanging their respective row and column positional indicators. 

  • The resulting matrix, derived from performing a transpose operation on a given matrix. 

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