havering vs pigeon-hearted

havering

adj
  • Hesitant; indecisive. 

  • Long-winded 

noun
  • Indecision, indecisive behaviour. 

pigeon-hearted

adj
  • timid; easily frightened; chicken-hearted 

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