subsurface vs texture

subsurface

noun
  • A surface which is a submanifold of another surface. 

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

adj
  • below the surface 

texture

noun
  • An image applied to a polygon to create the appearance of a surface. 

  • The quality given to a work of art by the composition and interaction of its parts. 

  • The feel or shape of a surface or substance; the smoothness, roughness, softness, etc. of something. 

verb
  • To create or apply a texture. 

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