cassette vs forty-five

cassette

noun
  • Any similar small cartridge, such as for a computer disk or cassette air conditioner 

  • A small flat case containing magnetic tape on two reels, used to record and play back audio and video material. 

  • A saggar (ceramic container used in a kiln) 

  • A modular DNA sequence encoding one or more genes for a single biochemical function. 

  • A lightproof container for photographic film. 

  • A set of sprockets mounted onto a splined shaft on the freehub. 

forty-five

noun
  • A .45-caliber firearm. 

num
  • Cardinal number after forty-four and before forty-six. 

How often have the words cassette and forty-five occurred in a corpus of books? (source: Google Ngram Viewer )