ironic vs solemn

ironic

adj
  • Done in an insincere and mocking manner; satirical. 

  • Acting in a unserious and teasing manner. 

  • Odd or coincidental; strange. 

  • Characterized by or constituting (any kind of) irony. 

solemn

adj
  • Deeply serious and sombre; grave. 

  • Characterized by or performed with appropriate or great ceremony or formality. 

  • Of or pertaining to religious ceremonies and rites; (generally) religious in nature; sacred. 

  • Inspiring serious feelings or thoughts; sombrely impressive. 

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