havering vs self-effacement

havering

noun

  • Indecision, indecisive behaviour. 

adj

  • Hesitant; indecisive. 

  • Long-winded 

self-effacement

noun

  • The act of keeping oneself in the background, as in humility. 

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