daycare centre vs preschool

daycare centre

noun
  • A building where children are supervised during the day so that their parents can work. 

preschool

noun
  • A nursery school. 

verb
  • To provide nursery school education for. 

  • To undergo nursery school education. 

adj
  • Of or relating to the years of early childhood before attendance at primary school. 

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