attached vs contiguous

attached

adj
  • Connected; joined. 

  • Broadly joined to a stem or stipe, but not decurrent. 

  • Fond of (used with to). 

  • In a romantic or sexual relationship. 

  • Of a residential building, sharing walls with similar buildings on two, usually opposite, sides. 

contiguous

adj
  • Connected; touching; abutting. 

  • Adjacent; neighboring. 

  • Connecting without a break. 

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