central vs downtown

central

adj
  • Being in the centre. 

  • Having or containing the centre of something. 

  • Exerting its action towards the peripheral organs. 

  • Being very important, or key to something. 

noun
  • centre 

downtown

adj
  • Of, relating to, or situated in the central business district 

adv
  • In or towards the central business district. 

  • Outside the three-point line, or generally far from the basket. 

noun
  • The human genitalia. 

  • heroin. 

  • The main business part of a city or town, usually located at or near its center. 

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