gyro vs yiros

gyro

noun
  • A gyrocompass. 

  • An autogyro. 

  • Synonym of detangler. 

  • A gyroscope. 

  • A style of Greek sandwich commonly filled with grilled meat, tomato, onions, and tzatziki sauce. 

yiros

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