real vs valid

real

adj
  • True, genuine, not merely nominal or apparent. 

  • Absolute, complete, utter. 

  • Having been adjusted to remove the effects of inflation; measured in purchasing power (contrast nominal). 

  • Genuine, unfeigned, sincere. 

  • Signifying meritorious qualities or actions especially as regard the enjoyment of life, prowess at sports, or success wooing potential partners. 

  • Actually being, existing, or occurring; not fictitious or imaginary. 

  • That has objective, physical existence. 

  • Being either a rational number, or the limit of a convergent infinite sequence of rational numbers: being one of a set of numbers with a one-to-one correspondence to the points on a line. 

  • Genuine, not artificial, counterfeit, or fake. 

  • Relating to the result of the actions of rational agents; relating to neoclassical economic models as opposed to Keynesian models. 

  • Relating to immovable tangible property. 

adv
  • Really, very. 

noun
  • A unit of currency used in Brazil since 1994. Symbol: R$. 

  • A coin worth one real. 

  • A commodity; see realty. 

  • Former unit of currency of Spain and Spain's colonies. 

  • A unit of currency used in Portugal and its colonies from 1430 until 1911, and in Brazil from 1790 until 1942. 

  • A real number. 

  • One of the three genders that the common gender can be separated into in the Scandinavian languages. 

valid

adj
  • Genuine - as distinguished from efficient or regular - sacrament. 

  • Well grounded or justifiable, pertinent. 

  • Of an argument: whose conclusion is always true whenever its premises are true. 

  • Related to the current topic, or presented within context, relevant. 

  • Of a formula or system: such that it evaluates to true regardless of the input values. 

  • Acceptable, proper or correct; in accordance with the rules. 

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