excavate vs honeycomb

excavate

verb
  • To make a hole in (something); to hollow. 

  • To uncover (something) by digging. 

  • To remove part of (something) by scooping or digging it out. 

noun
  • Any member of a major grouping of unicellular eukaryotes, of the clade Excavata. 

honeycomb

verb
  • To riddle something with holes, especially in such a pattern. 

noun
  • A space-filling packing of polytopes in 3- or higher-dimensional space. 

  • Any structure resembling a honeycomb. 

  • A structure of hexagonal cells made by bees primarily of wax, to hold their larvae and for storing the honey to feed the larvae and to feed themselves during winter. 

  • Voids left in concrete resulting from failure of the mortar to effectively fill the spaces among coarse aggregate particles. 

  • Manufactured material used to manufacture light, stiff structural components using a sandwich design. 

  • The texture of the surface of a solar cell, intended to increase its surface area and capture more sunlight. 

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