rust vs yew

rust

noun
  • A disease of plants caused by a reddish-brown fungus. 

  • A similar substance based on another metal (usually with qualification, such as "copper rust"). 

  • Damage caused to stamps and album pages by a fungal infection. 

  • The deteriorated state of iron or steel as a result of moisture and oxidation. 

  • A reddish-brown color. 

verb
  • To (cause to) degenerate in idleness; to make or become dull or impaired by inaction. 

  • To oxidize, especially of iron or steel. 

  • To cause to oxidize. 

  • To be affected with the parasitic fungus called rust. 

  • Of a black cat or its fur, to turn rust-coloured following long periods of exposure to sunlight. 

yew

noun
  • in family Podocarpaceae 

  • A species of coniferous tree, Taxus baccata, with dark-green flat needle-like leaves and seeds bearing red arils, native to western, central and southern Europe, northwest Africa, northern Iran and southwest Asia. 

  • Any tree or shrub of the genus Taxus. 

  • in family Cephalotaxaceae 

  • The wood of the such trees. 

  • A bow for archery, made of yew wood. 

adj
  • Made from the wood of the yew tree. 

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