ear vs heedlessness

ear

noun
  • An acroterium. 

  • The sense of hearing; the perception of sounds; skill or good taste in listening to music. 

  • The privilege of being kindly heard; favour; attention. 

  • The external part of the organ of hearing, the auricle. 

  • The organ of hearing, consisting of the pinna, auditory canal, eardrum, malleus, incus, stapes and cochlea. 

  • That which resembles in shape or position the ear of an animal; a prominence or projection on an object, usually for support or attachment; a lug; a handle. 

  • A police informant. 

  • A space to the left or right of a publication's front-page title, used for advertising, weather, etc. 

  • The fruiting body of a grain plant. 

  • A crossette. 

verb
  • To take in with the ears; to hear. 

  • To hold by the ears. 

  • To put forth ears in growing; to form ears, as grain does. 

heedlessness

noun
  • The state or character of being heedless 

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