brood vs hatch

brood

verb
  • To keep an egg warm to make it hatch. 

  • (typically with about or over) To dwell upon moodily and at length, mainly alone. 

  • To be bred. 

  • To protect (something that is gradually maturing); to foster. 

adj
  • Kept or reared for breeding. 

noun
  • Heavy waste in tin and copper ores. 

  • Parentage. 

  • The children in one family; offspring. 

  • The young of any egg-laying creature, especially if produced at the same time. 

  • The eggs and larvae of social insects such as bees, ants and some wasps, especially when gathered together in special brood chambers or combs within the colony. 

  • The young of certain animals, especially a group of young birds or fowl hatched at one time by the same mother. 

  • That which is bred or produced; breed; species. 

hatch

verb
  • To incubate eggs; to cause to hatch. 

  • To shade an area of (a drawing, diagram, etc.) with fine parallel lines, or with lines which cross each other (cross-hatch). 

  • To devise. 

  • To emerge from an egg. 

  • To break open when a young animal emerges from it. 

  • To close with a hatch or hatches. 

noun
  • A group of birds that emerged from eggs at a specified time. 

  • A trapdoor. 

  • An opening into, or in search of, a mine. 

  • The act of hatching. 

  • A gullet. 

  • A birth, the birth records (in the newspaper). 

  • A floodgate; a sluice gate. 

  • An opening through the deck of a ship or submarine 

  • A horizontal door in a floor or ceiling. 

  • Development; disclosure; discovery. 

  • A bedstead. 

  • A small door in large mechanical structures and vehicles such as aircraft and spacecraft often provided for access for maintenance. 

  • A frame or weir in a river, for catching fish. 

  • An opening in a wall at window height for the purpose of serving food or other items. A pass through. 

  • The phenomenon, lasting 1–2 days, of large clouds of mayflies appearing in one location to mate, having reached maturity. 

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