airship vs turbo

airship

noun
  • A lighter-than-air aircraft that can be propelled forward through the air as well as steered. 

  • A police air unit, a police helicopter 

  • Any aircraft. 

  • A high ranking official of the RAF, viewed as arrogant and distant. 

verb
  • To transport goods by aircraft. 

turbo

noun
  • a turbine 

  • A turban shell. 

  • Autofire. 

adj
  • Very, super, etc.; usually relating to a qualitative value (as opposed to quantitative). 

  • Causing or relating to increased speed. 

  • With rapidly-increasing blind levels. 

verb
  • To autofire. 

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