Insert vs server

Insert

noun
  • A key that when pressed switches between the overtype mode and the insert mode of a computer. 

server

noun
  • A computer dedicated to running such programs. 

  • A program that provides services to other programs or devices, either in the same computer or over a computer network. 

  • A tray for dishes. 

  • The player who serves the ball. 

  • A spoon for serving food. 

  • A waitress or waiter. 

  • A priest's attendant at the celebration of the Eucharist. 

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