overland vs terrestrial

overland

adj
  • by or across land, especially of travel 

adv
  • Over, across, or by land. 

verb
  • to transport (especially sheep or other farm animals) over land 

  • to travel across land 

  • to go on a recreational expedition to a remote destination, often with the aid of an off-road vehicle 

noun
  • a trip by land between the UK and the Indian Sub-continent or Australia, or between the UK and South Africa. 

terrestrial

adj
  • Of, relating to, or composed of land. 

  • Of, relating to, or inhabiting the land of the Earth or its inhabitants, earthly. 

  • Living or growing in or on land (as opposed to other habitat); not aquatic, etc. 

  • Of a planet, being composed primarily of silicate rocks or metals; see also terrestrial planet. 

  • Concerned with the world or worldly matters. 

  • Of or pertaining to the second highest degree of glory. 

  • Broadcast using radio waves as opposed to satellite or cable. 

noun
  • A ground-dwelling plant. 

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