The word Anumeration is misspelled against Annumeration, a noun meaning "Addition to a former number."
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Annumeration has double "nn" is mispronounced as "n"
Remember double 'NN' in between the strings a & umeration which should not be misspelled with single 'N'
Wrong Spelling:  a-n-umeration 
Correct Spelling:  a-nn-umeration 
Check more misspelled words of Annumeration to spell it correct.