havering vs lukewarm

havering

adj

  • Hesitant; indecisive. 

  • Long-winded 

noun

  • Indecision, indecisive behaviour. 

lukewarm

adj

  • Unenthusiastic (about a proposal or an idea). 

  • Between warm and cool. 

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