disintegrate vs unify

disintegrate

verb
  • To cause to break up into infinitesimal parts through the use of a disintegrator. 

  • To fall apart, break up into parts. 

  • To undo the integrity of, break into parts. 

unify

verb
  • Cause to become one; make into a unit; consolidate; merge; combine. 

  • Become one. 

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