disunite vs uncomplicate

disunite

verb
  • To cause disagreement or alienation among or within. 

  • To separate, sever, or split. 

  • To disintegrate; to come apart. 

uncomplicate

verb
  • To remove complications from. 

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