depressoid vs down in the mouth

depressoid

adj

  • Depressing or miserable. 

  • Resembling depression. 

noun

  • A depressed or miserable person. 

down in the mouth

adj

  • Sad or discouraged, especially as indicated by one's facial appearance. 

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