marry vs split up

marry

verb
  • To enter into marriage with one another. 

  • To take as husband or wife. 

  • To enter into the conjugal or connubial state; to take a husband or a wife. 

  • To arrange for the marriage of; to give away as wife or husband. 

  • To unite in wedlock or matrimony; to perform the ceremony of joining spouses; to bring about a marital union according to the laws or customs of a place. 

  • To place (two ropes) alongside each other so that they may be grasped and hauled on at the same time. 

  • To join (two ropes) end to end so that both will pass through a block. 

  • To join or connect. See also marry up. 

  • To unite; to join together into a close union. 

split up

adj
  • Divided or separated. 

verb
  • separate, disassociate, cause to come apart. 

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

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