goofy vs softheaded

goofy

adj

  • silly, quirky 

  • Riding with the right foot forward. 

noun

  • One who rides with the right foot forward. 

softheaded

adj

  • Lacking sound judgment or resolve; stupid; weak-minded. 

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