lambda vs Λ

lambda

noun
  • The junction of the lambdoid and sagittal sutures of the cranium. 

  • Unit representation of wavelength. 

  • The percentage change in an option value divided by the percentage change in the underlying asset's price. 

  • The cosmological constant. 

  • A lambda expression. 

  • A lambda baryon. 

  • The eleventh letter of the Classical and Modern Greek alphabet, the twelfth of the Old Greek alphabet. 

Λ

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