inane vs shallow

inane

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

  • Purposeless; pointless 

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

noun
  • That which is void or empty. 

shallow

adj
  • Lacking interest or substance. 

  • Not steep; close to horizontal. 

  • Not far forward, close to the net. 

  • Having little depth; significantly less deep than wide. 

  • Not intellectually deep; not penetrating deeply; simple; not wise or knowing. 

  • Concerned mainly with superficial matters. 

  • Extending not far downward. 

noun
  • A costermonger's barrow. 

  • A shallow portion of an otherwise deep body of water. 

  • A fish, the rudd. 

verb
  • To make or become less deep. 

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