bulk vs surface

bulk

verb
  • To appear or seem to be, as to bulk or extent. 

  • To put or hold in bulk. 

  • To gain body mass by means of diet, exercise, etc. 

  • To grow in size; to swell or expand. 

adj
  • being large in size, mass or volume (of goods, etc.) 

  • total 

noun
  • A hypothetical higher-dimensional space within which our own four-dimensional universe may exist. 

  • The major part of something. 

  • Unpackaged goods when transported in large volumes, e.g. coal, ore or grain. 

  • Dietary fibre. 

  • Size, specifically, volume. 

  • a cargo or any items moved or communicated in the manner of cargo. 

  • Excess body mass, especially muscle. 

  • A period where one tries to gain muscle. 

  • Any huge body or structure. 

surface

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

  • To apply a surface to something. 

  • To make (information or facts) known. 

  • 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. 

noun
  • Outward or external appearance. 

  • The outside hull of a tangible object. 

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

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

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