obsequent vs unmanageable

obsequent

adj
  • Facing the opposite way of what would be expected, for example, a stream flowing towards higher elevation. 

noun
  • An obsequent geological feature. 

unmanageable

adj
  • Not manageable; not readily submitting to handling or management; not easily restrained, governed, or directed 

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