secede vs splinter

secede

verb
  • To split from or to withdraw from membership of a political union, an alliance or an organisation. 

  • To split or to withdraw one or more constituent entities from membership of a political union, an alliance or an organisation. 

splinter

verb
  • To break, or cause to break, into factions. 

  • To come apart into long sharp fragments. 

  • To cause to break apart into long sharp fragments. 

  • To fasten or confine with splinters, or splints, as a broken limb. 

noun
  • A small such fragment that gets embedded in the flesh. 

  • A group that formed by splitting off from a larger membership. 

  • A double-jump bid which indicates shortage in the bid suit. 

  • A long, sharp fragment of material, often wood. 

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