Disanex or Disannex: How To spell?
The word Disanex is misspelled against Disannex, a verb meaning "To disunite; to undo or repeal the annexation of."
Disannex has double "nn" is mispronounced as "n"Remember double 'NN' in between the strings disa & ex which should not be misspelled with single 'N'
Wrong Spelling:  disa-n-ex  Correct Spelling:  disa-nn-ex 
Find more wrongly spelled words of Disannex to spell it well.