leaf vs surface

leaf

noun
  • A flat section used to extend the size of a table. 

  • Anything resembling the leaf of a plant. 

  • One of the teeth of a pinion, especially when small. 

  • The layer of fat supporting the kidneys of a pig, leaf fat. 

  • A Canadian person. 

  • The usually green and flat organ that represents the most prominent feature of most vegetative plants. 

  • A moveable panel, e.g. of a bridge or door, originally one that hinged but now also applied to other forms of movement. 

  • A sheet of any substance beaten or rolled until very thin. 

  • A foliage leaf or any of the many and often considerably different structures it can specialise into. 

  • A sheet of a book, magazine, etc (consisting of two pages, one on each face of the leaf). 

  • Tea leaves. 

  • In a tree, a node that has no descendants. 

  • Cannabis. 

verb
  • To divide (a vegetable) into separate leaves. 

  • To produce leaves; put forth foliage. 

surface

noun
  • The overside or up-side of a flat object such as a table, or of a liquid. 

  • Outward or external appearance. 

  • The outside hull of a tangible object. 

  • The locus of an equation (especially one with exactly two degrees of freedom) in a more-than-two-dimensional space. 

verb
  • To apply a surface to something. 

  • To make (information or facts) known. 

  • To become known or apparent; to appear or be found. 

  • To provide something with a surface. 

  • To bring to the surface. 

  • To come out of hiding. 

  • To work a mine near the surface. 

  • To rise to the surface. 

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