aromatic vs dilution

aromatic

noun
  • Any aromatic compound. 

  • A fragrant plant or spice added to a dish to flavour it. 

adj
  • Fragrant or spicy. 

  • Having a closed ring of alternate single and double bonds with delocalized electrons. 

  • Derived from benzene. 

dilution

noun
  • A solution that has had additional solvent, such as water, added to it into order to make it less concentrated. 

  • The process of bringing in unskilled workers to replace skilled ones, for example during wartime. 

  • The process of making something dilute. 

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