aft vs rugged

aft

adj
  • located at the back of a boat, ship, or airplane 

noun
  • The stern portion of a vessel. 

adv
  • At, near, or towards the stern of a vessel (with the frame of reference within the vessel). 

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 

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