neat as a pin vs unkempt

neat as a pin

adj

  • (simile) Very neat and tidy. 

unkempt

adj

  • Uncombed; dishevelled. 

  • Rough; unpolished 

  • Disorderly; untidy; messy; not kept up. 

How often have the words neat as a pin and unkempt occurred in a corpus of books? (source: Google Ngram Viewer )