lamination vs subsurface

lamination

noun
  • A layer of something that is laminated. 

  • A foliation of a closed subset of a manifold by subspaces of one dimension less. 

  • The process of laminating, joining together thin layers. 

  • A small scale sequence of fine layers that occurs in sedimentary rocks. 

  • Something made by laminating. 

subsurface

noun
  • Something that is below the layer that is on the surface. 

  • A surface which is a submanifold of another surface. 

adj
  • below the surface 

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