self-effacing vs snotty

self-effacing

adj
  • Shy, extremely humble and modest; making oneself seem unnoticeable. 

snotty

adj
  • Ill-tempered or impertinent in an arrogant, conceited manner. 

  • Running or dirtied with snot. 

  • Resembling or characteristic of snot, especially in texture. 

noun
  • The lion's mane jellyfish, which secretes a mucus that can foul fishing nets. 

  • A midshipman. 

How often have the words self-effacing and snotty occurred in a corpus of books? (source: Google Ngram Viewer )