Hue vs Phantom

Hue

name
  • A port city in central Vietnam. 

  • A Vietnamese province with that city as its capital. 

Phantom

name
  • Nickname of the F-4B jet fighter flown by U.S. marines in Vietnam. 

  • Rolls-Royce Phantom 

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