gloom vs tomentum

gloom

noun
  • Darkness, dimness, or obscurity. 

  • Cloudiness or heaviness of mind; melancholy; aspect of sorrow; low spirits; dullness. 

  • A depressing, despondent, or melancholic atmosphere. 

  • A drying oven used in gunpowder manufacture. 

verb
  • To be dark or gloomy. 

  • To shine or appear obscurely or imperfectly; to glimmer. 

  • To fill with gloom; to make sad, dismal, or sullen. 

  • To look or feel sad, sullen or despondent. 

  • To render gloomy or dark; to obscure; to darken. 

tomentum

noun
  • A covering of fine, soft hairs; a pubescence. 

  • A mass of filamentous hairs on the leaf of a plant. 

  • A network of fine blood vessels between the pia mater and the cerebral cortex. 

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