caring vs maternal

caring

adj
  • Kind, sensitive, or empathetic. 

noun
  • The act of one who cares. 

maternal

adj
  • Of or pertaining to a mother; having the characteristics of a mother; motherly. 

  • Derived from the mother as opposed to the foetus during pregnancy. 

  • Related through the mother, or her side of the family. 

noun
  • A person related through the mother, or her side of the family; a maternal relative. 

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