business suit vs clothes

business suit

noun
  • A plain, formal matching jacket and trousers (or skirt), as worn by office workers. 

clothes

noun
  • Items of clothing; apparel. 

  • The covering of a bed; bedclothes. 

  • Laundry (hung on a clothesline). 

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