converter vs missioner

converter

noun
  • A person or thing that converts. 

  • A retort or furnace, used e.g. in the Bessemer process, in which molten cast iron is decarburized and converted into steel by a blast of air forced through the liquid metal. 

  • A program that converts one file format to another one, or which converts between different units of measurement, such as miles to meters. 

  • A reaction chamber in which exhaust gases are catalytically converted to carbon dioxide 

  • A patient with a certain condition that subsequently develops into another condition. 

  • A device that converts an analogue to a digital signal, or vice versa. 

  • A device that changes voltage or frequency, for example one that converts alternating current to direct current. 

missioner

noun
  • A missionary. 

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