alone vs dense

alone

adj
  • Lacking peers who share one's beliefs, experiences, practices, etc. 

  • By oneself, solitary. 

adv
  • Not requiring anything further; merely. 

  • By oneself; apart from, or exclusive of, others; solo. 

  • Without outside help. 

  • Used to emphasize the size or extent of something by selecting a subset. 

  • Not permitting anything further; exclusively. 

dense

adj
  • Slow to comprehend; of low intelligence. 

  • Opaque; allowing little light to pass through. 

  • Thick; difficult to penetrate. 

  • Obscure, or difficult to understand. 

  • Having relatively high density. 

  • Compact; crowded together. 

  • Being a subset of a topological space that approximates the space well. See the Wikipedia article on dense sets for a mathematical definition. 

noun
  • A thicket. 

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