concomitance vs connector

concomitance

noun
  • A concomitant. 

  • occurrence or existence together or in connection with one another, coexistence 

  • The Roman Catholic doctrine of the existence of the entire body of Christ in the Eucharist, under each element, so that the body and blood are both received by communication in one kind only. 

connector

noun
  • One who connects. 

  • A line connecting two shapes in presentation software. 

  • A device (or, more precisely, a mating pair of devices, often a plug and a socket) for connecting together two wires, cables, or hoses, allowing electricity or fluid to flow but also allowing easy disconnection and reconnection when necessary. 

  • A highway or freeway road which connects to another highway or freeway. It can be part of an interchange or a longer roadway such as the 1.5 mile (2.5 kilometer) U.S. Route 24 Connector. 

  • A software component that provides access from an application program to an external database or data source, such as a JDBC connector. 

  • Any of a group of cards of consecutive face value, useful in forming straights etc. 

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