fowl vs mother hen

fowl

noun
  • A bird of the order Galliformes, including chickens, turkeys, pheasant, partridges and quail. 

  • Birds which are hunted or kept for food, including Galliformes and also waterfowl of the order Anseriformes such as ducks, geese and swans, together forming the clade Galloanserae. 

verb
  • To hunt fowl. 

mother hen

noun
  • A female chicken who bears eggs or chicks. 

  • An outspoken and overprotective woman or person dealing with others' affairs. 

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