double talk vs inane

double talk

noun
  • Speech which combines English (or some other language) and native-sounding gibberish for humorous effect. 

  • Doublespeak. 

  • Lies, especially in a formal political statement. 

  • A situation when two people talk at the same time, causing overlapping audio signals. 

  • A simple phonetic code with a regular infix that makes meaningful speech sound unintelligible. 

inane

noun
  • That which is void or empty. 

adj
  • Purposeless; pointless 

  • Lacking sense or meaning (often to the point of boredom or annoyance) 

  • Lacking sense or meaning (often to the point of boredom or annoyance) (lacking sense): 

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