rugged vs substantial

rugged

adj
  • Strong, sturdy, well-built. 

  • Not neat or regular; irregular, uneven. 

  • Rough with bristly hair; shaggy. 

  • Violent; rude; boisterous 

  • Having a rug or rugs. 

  • Covered with a rug. 

  • Stormy; turbulent; tempestuous 

  • Harsh; grating; unpleasant sounding or looking 

  • Rocky and bare of plantlife. 

  • Broken into sharp or irregular points; uneven; not smooth; rough. 

  • Designed to reliably operate in harsh usage environments and conditions. 

  • Harsh; austere; hard 

  • Vigorous; robust; hardy 

  • Sour; surly; frowning; wrinkled 

substantial

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

  • 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. 

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

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

noun
  • Anything having substance; an essential part. 

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