hand-held vs user guide

hand-held

noun

  • A personal digital assistant or video game console that is small enough to be held in the hands. 

adj

  • Small and light enough to be operated while held in one or both hands. 

  • Held in one or both hands. 

user guide

noun

  • A manual intended to assist in the use of a particular system. 

How often have the words hand-held and user guide occurred in a corpus of books? (source: Google Ngram Viewer )