safety belt vs strapping

safety belt

noun
  • A belt or strap that attaches a person to an immovable object for safety. 

  • A seat belt. 

  • A life belt. 

strapping

noun
  • The act of fastening with a strap. 

  • A beating with a strap. 

  • A length of narrow material to be used for straps, or straps collectively. 

  • Adhesive plaster for strapping injuries. 

adj
  • Having a sturdy muscular physique; robust. 

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