overall vs overalls

overall

noun
  • A garment, worn for manual labor, with an integral covering extending to the chest, supported by straps. 

  • A garment worn over other clothing to protect it; a coverall or boiler suit. A garment, for manual labor or for casual wear, often made of a single piece of fabric, with long legs and a bib upper, supported from the shoulders with straps, and having several large pockets and loops for carrying tools. 

adj
  • All-encompassing, all around. 

adv
  • Generally; with everything considered. 

overalls

noun
  • A loose-fitting garment worn over regular clothes to protect them. 

  • Trousers traditionally worn by cavalry. 

  • Loose-fitting pants with supporting cross-straps and a panel of material in the chest (called a bib), often associated with farm work. 

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