handler vs undertaker

handler

noun
  • One who handles something (especially manually) or someone. 

  • An advisor or manager to a person occupying a position or office to which the speaker believes the holder does not possess the typical qualifications and/or experience. 

  • A subroutine that handles a particular situation such as an event or exception. 

  • A controller, trainer, someone who handles a specified thing, animal or person (especially a prizefighter). 

undertaker

noun
  • One who undertakes or commits to doing something. 

  • A contractor for the royal revenue in England, one of those who undertook to manage the House of Commons for the king in the Addled Parliament of 1614. 

  • A person receiving land in Ireland during the Elizabethan era, so named because they gave an undertaking to abide by several conditions regarding marriage, to be loyal to the crown, and to use English as their spoken language. 

  • A funeral director; someone whose business is to manage funerals, burials and cremations. 

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