slit vs unstop

slit

verb
  • To cut a narrow opening. 

  • To split into strips by lengthwise cuts. 

  • To cut; to sever; to divide. 

adj
  • Having a cut narrow opening 

noun
  • A narrow cut or opening; a slot. 

  • The opening of the vagina. 

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

unstop

verb
  • To remove a stoppage; to clear a blockage. 

  • To draw out the stops of (an organ). 

  • To unplug or uncork a container. 

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