bab vs infant

bab

noun
  • Baby 

  • A bait for eels, consisting of a bundle of live worms. 

verb
  • To fish for eels using a bab. 

infant

noun
  • A very young human being, from conception to somewhere between six months and two years of age after birth, needing almost constant care and attention. 

  • A minor. 

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