Anex or Annex: How To spell?

The word Anex is misspelled against Annex, meaning "To add or affix at the end."

Annex has double "nn" is mispronounced as "n"
Remember double 'NN' in between the strings a & ex which should not be misspelled with single 'N'
Wrong Spelling:  a-n-ex 
Correct Spelling:  a-nn-ex 
Explore spell check of Annex to spell without errors.

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