arachnoid vs spiderish

arachnoid

adj
  • Relating to or resembling spiders. 

  • Relating to or resembling spider webs; covered with or composed of soft loose hairs or fibers. 

  • Relating to the arachnoid mater. 

noun
  • An arachnid. 

  • A round network of fractures in the crust of Venus. 

spiderish

adj
  • spidery 

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