acceptable vs unmanageable

acceptable

adj
  • worthy, decent, sure of being accepted or received with at least moderate pleasure 

  • Barely worthy, less than excellent; passable. 

unmanageable

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

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