doolally tap vs lunatic

doolally tap

adj

  • Mad, insane, eccentric. 

noun

  • Camp fever; by extension, madness, eccentricity. 

lunatic

adj

  • Crazed, mad, insane, demented. 

noun

  • An insane person. 

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