basic vs closing

basic

adj
  • Elementary, simple, fundamental, merely functional. 

  • Of or pertaining to a base; having a pH greater than 7. 

  • Unremarkable or uninteresting; boring; uncool. 

  • Necessary, essential for life or some process. 

noun
  • An elementary building block, e.g. a fundamental piece of knowledge. 

  • A necessary commodity, a staple requirement. 

  • Basic training. 

closing

adj
  • Pertaining to the finish or ending of a series of events; occurring at the end or after all others. 

noun
  • In morphology, the erosion of the dilation of a set. 

  • The final procedure in a house sale, when documents are signed and recorded. 

  • The act by which something is closed. 

  • The end or conclusion of something. 

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