Hue vs Rota

Hue

name
  • A port city in central Vietnam. 

  • A Vietnamese province with that city as its capital. 

Rota

name
  • An island in the Northern Mariana Islands. 

  • A branch of the papal Curia which serves as an appellate court in ecclesiastical cases, including cases of marriage nullity. 

  • A surname from Italian. 

  • A town in Andalusia, Spain. 

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