downslope vs shipwreck

downslope

noun

  • a descent or declivity 

adj

  • in a direction down a slope 

adv

  • down a slope 

shipwreck

noun

  • destruction; ruin; irretrievable loss 

  • An event where a ship sinks or runs aground. 

  • A ship that has sunk or run aground so that it is no longer seaworthy. 

verb

  • To wreck a boat through a collision or mishap. 

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