even-down vs root and branch

even-down

adv

  • Thoroughly. 

adj

  • Of rain: pouring straight down. 

  • Of a person: forthright; honest. 

root and branch

adv

  • Totally, completely. 

adj

  • Total, thorough, sweeping, complete, radical, drastic. 

How often have the words even-down and root and branch occurred in a corpus of books? (source: Google Ngram Viewer )