in a (flat) spin vs overwrought

in a (flat) spin

overwrought

adj
  • Excessively nervous, excited, tense, angry, anxious, or upset; overemotional; very uneasy. 

  • Elaborate; overdone. 

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