The word Anexion is misspelled against Annexion, a noun meaning "Annexation."
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Annexion has double "nn" is mispronounced as "n"
Remember double 'NN' in between the strings a & exion which should not be misspelled with single 'N'
Wrong Spelling:  a-n-exion 
Correct Spelling:  a-nn-exion 
Find more incorrect spellings of Annexion to spell right way.