interstice vs slit

interstice

noun
  • A fragment of space. 

  • A small opening or space between objects, especially adjacent objects or objects set closely together, as between cords in a rope or components of a multiconductor electrical cable or between atoms in a crystal. 

  • A small interval of time free to be spent on activities other than one's primary goal. 

  • An interval of time required by the Roman Catholic Church between the attainment of different degrees of an order. 

slit

noun
  • A narrow cut or opening; a slot. 

  • The opening of the vagina. 

  • A woman, usually a sexually loose woman; a prostitute. 

verb
  • To split into strips by lengthwise cuts. 

  • To cut a narrow opening. 

  • To cut; to sever; to divide. 

adj
  • Having a cut narrow opening 

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