assembler vs gatherer

assembler

noun
  • One who assembles items. 

  • Assembly language. 

  • A program that reads source code written in assembly language and produces executable machine code, possibly together with information needed by linkers, debuggers and other tools. 

  • A nanodevice capable of assembling nanodevices, possibly including copies of itself, according to a plan. 

gatherer

noun
  • A person who gathers things. 

  • A workman who collects molten glass on the end of a rod preparatory to blowing. 

  • An attachment to a sewing machine for making gathers in the cloth. 

  • A person who collects rent or taxes. 

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