copperhead vs red silky oak

copperhead

noun
  • Austrelaps spp. (Australian copperheads), a genus of venomous elapids found in southern Australia and Tasmania. 

  • Someone with ginger hair. 

  • Coelognathus radiatus (syn. Elaphe radiata), the copperhead rat snake, a non-venomous colubrid species found in southern Asia. 

  • Agkistrodon contortrix, a venomous pit viper species found in parts of North America. 

  • Deinagkistrodon acutus, the Chinese copperhead, a venomous pit viper species found in Southeast Asia 

red silky oak

noun
  • Stenocarpus salignus (Killarney beefwood), of Australia 

  • Wood of any of these trees. 

  • Alloxylon flammeum (Queensland waratah) 

  • Carnarvonia araliifolia, of Australia 

  • Grevillea banksii (dwarf silky oak, white silky oak) 

  • Alloxylon wickhamii (syn. Oreocallis wickhamii) 

How often have the words copperhead and red silky oak occurred in a corpus of books? (source: Google Ngram Viewer )