bigly vs imperceptibly

bigly

adj
  • Habitable, liveable; hence delightful, pleasant, pleasing. 

imperceptibly

adv
  • Beyond the purview of man; too great and all-encompassing to be perceived. 

  • Not noticeably; too small to be detected; too little to be perceived. 

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