cobble vs tessellate

cobble

verb
  • To use cobblestones to pave a road, walkway, etc. 

  • To assemble in an improvised way. 

  • To make shoes (what a cobbler does). 

noun
  • A particle from 64 to 256 mm in diameter, following the Wentworth scale. 

  • A piece of steel that becomes malformed during its manufacture or rolling. 

  • A cobblestone. 

tessellate

verb
  • To cover with tiles or stones, as a mosaic; to tile. 

  • To completely fill (an area) when multiple copies of one or more two-dimensional shapes are placed edge to edge. 

  • Of a two-dimensional shape, such that multiple copies of itself placed edge to edge cover an area leaving no space between the shapes. 

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