delicate vs substantial

delicate

adj
  • Pleasing to the senses; refined; adapted to please an elegant or cultivated taste. 

  • Unwell, especially because of having drunk too much alcohol. 

  • Easily damaged or requiring careful handling. 

  • circa 1660, John Evelyn (author), William Bray (editor), The Diary of John Evelyn, volume I of II (1901), entry for the 19th of August in 1641, page 29 

  • Light, or softly tinted; said of a colour. 

  • Of exacting tastes and habits; dainty; fastidious. 

  • Refined; gentle; scrupulous not to trespass or offend; considerate; said of manners, conduct, or feelings. 

  • Affected by slight causes; showing slight changes. 

  • Of weak health; easily sick; unable to endure hardship. 

  • Characterized by a fine structure or thin lines. 

  • Highly discriminating or perceptive; refinedly critical; sensitive; exquisite. 

  • Intended for use with fragile items. 

  • Slight and shapely; lovely; graceful. 

noun
  • A delicate item of clothing, especially underwear or lingerie. 

  • A moth, Mythimna vitellina 

substantial

adj
  • Satisfying; having sufficient substance to be nourishing or filling. 

  • Most important; essential. 

  • Not imaginary; real; actual; true; veritable. 

  • Having a substance; actually existing. 

  • Corporeal; material; firm. 

  • Possessed of goods or an estate; moderately wealthy. 

  • Large in size, quantity, or value; ample; significant. 

  • Having good substance; strong; stout; solid; firm. 

noun
  • Anything having substance; an essential part. 

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