rugged vs subnormal

rugged

adj
  • Sour; surly; frowning; wrinkled 

  • 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 

  • Strong, sturdy, well-built. 

subnormal

adj
  • denormal 

  • Less than normal. 

noun
  • A person whose abilities are less than normal. 

  • That part of the axis of a curved line which is intercepted between the ordinate and the normal. 

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