T-shirt vs shirt

T-shirt

noun
  • A lightweight shirt without buttons, usually with short sleeves and no collar. Often made of cotton and frequently bears a picture or slogan. 

shirt

noun
  • An interior lining in a blast furnace. 

  • An article of clothing that is worn on the upper part of the body, and often has sleeves, either long or short, that cover the arms. 

  • A member of the shirt-wearing team in a shirts and skins game. 

verb
  • To cover or clothe with a shirt, or as if with a shirt. 

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