federate vs split up

federate

noun
  • a system participating in a collective simulation, particularly within the context of the HLA (High Level Architecture) standard. 

  • A member of a federation. 

adj
  • Federated, united in an alliance or federation. 

verb
  • To unite in a federation. 

split up

verb
  • separate, disassociate, cause to come apart. 

  • Cease to be together, break apart from the group. 

adj
  • Divided or separated. 

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