blissom vs oestruate

blissom

verb

  • To be lustful; to be lascivious. 

adj

  • lascivious 

  • in heat; said of ewes 

oestruate

verb

  • To be in heat (state of sexual receptivity). 

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