sealer vs sealing wax

sealer

noun
  • A tool used to seal something. 

  • A goal, shot, point, etc., scored close to fulltime so that it becomes impossible for the losing side to score enough to win. 

  • A vessel engaged in the business of capturing seals. 

  • A person who hunts seals. 

  • A coating designed to prevent excessive absorption of finish coats into porous surfaces; a coating designed to prevent bleeding. 

  • A person who is employed to seal things. 

  • An officer responsible for sealing writs or instruments, stamping weights and measures, etc. 

sealing wax

noun
  • Wax formerly melted onto a letter to seal it; the picture of the sender's seal was often pressed into the wax as evidence that the letter had not been opened. 

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