enate vs sororal

enate

adj
  • Related to someone by female connections. 

  • Having identical grammatical structure (but with elements that are semantically different). 

  • Related on the maternal side of the family. 

  • Growing out. 

noun
  • Any maternal female relative. 

  • A relative whose relation is traced only through female members of the family. 

sororal

adj
  • Related through someone's sister. 

  • Of or pertaining to a sister. 

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