interior vs slough

interior

adj
  • Within any limits, enclosure, or substance; inside; internal; inner. 

  • Remote from the limits, frontier, or shore; inland. 

noun
  • The set of all interior points of a set. 

  • The inside regions of a country, distanced from the borders or coasts. 

  • The inside of a building, container, cavern, or other enclosed structure. 

slough

noun
  • A small pond, often alkaline, many but not all formed by glacial potholes. 

  • Dead skin on a sore or ulcer. 

  • A muddy or marshy area. 

  • A type of swamp or shallow lake system, typically formed as or by the backwater of a larger waterway, similar to a bayou with trees. 

  • A state of depression. 

  • The skin shed by a snake or other reptile. 

  • A secondary channel of a river delta, usually flushed by the tide. 

verb
  • To shed (skin). 

  • To slide off (like a layer of skin). 

  • To discard. 

  • To commit truancy, be absent from school without permission. 

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