covering vs tent

covering

noun
  • That which covers or conceals; a cover; something spread or laid over or wrapped about another. 

  • Action of the verb to cover. 

  • A continuous map onto a topological space X, 𝜋:E→X, such that there exists a discrete space D and for every x∈X an open neighborhood U⊂X, such that 𝜋⁻¹(U)= displaystyle bigsqcup _(d∈D)V_d and 𝜋|_(V_d):V_d→U is a homeomorphism for every d∈D. 

tent

noun
  • A roll of lint or linen, or a conical or cylindrical piece of sponge or other absorbent, used chiefly to dilate a natural canal, to keep open the orifice of a wound, or to absorb discharges. 

  • A trouser tent; a piece of fabric, etc. protruding outward like a tent. 

  • A portable pulpit set up outside to accommodate worshippers who cannot fit into a church. 

  • A probe for searching a wound. 

  • A pavilion or portable lodge consisting of skins, canvas, or some strong cloth, stretched and sustained by poles, used for sheltering people from the weather. 

verb
  • To go camping. 

  • To prop up aluminum foil in an inverted "V" (reminiscent of a pop-up tent) over food to reduce splatter, before putting it in the oven. 

  • To form into a tent-like shape. 

  • Synonym of fumigate 

  • To probe or to search with a tent; to keep open with a tent. 

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