precipitate vs rapid

precipitate

adj
  • Very steep; precipitous. 

  • With a hasty impulse; hurried; headstrong. 

  • Moving with excessive speed or haste; overly hasty. 

  • headlong; falling steeply or vertically. 

  • Performed very rapidly or abruptly. 

verb
  • To separate a substance out of a liquid solution into solid form. 

  • To throw an object or person from a great height. 

  • To act too hastily; to be precipitous. 

  • To send violently into a certain state or condition. 

  • To make something happen suddenly and quickly. 

  • To come out of a liquid solution into solid form. 

  • To have water in the air fall to the ground, for example as rain, snow, sleet, or hail; be deposited as condensed droplets. 

  • To cause (water in the air) to condense or fall to the ground. 

  • To fall headlong. 

noun
  • a solid that exits the liquid phase of a solution 

  • a product resulting from a process, event, or course of action 

rapid

adj
  • Steep, changing altitude quickly. (of a slope) 

  • Violent, severe. 

  • Needing only a brief exposure time. (of a lens, plate, film, etc.) 

  • Very swift or quick. 

noun
  • a rough section of a river or stream which is difficult to navigate due to the swift and turbulent motion of the water. 

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