--> Fescennine has double "nn" is mispronounced as "n"
Remember double 'NN' in between the strings fesce & ine which should not be misspelled with single 'N'
Wrong Spelling:  fesce-n-ine 
Correct Spelling:  fesce-nn-ine 
Find more wrongly spelled words of Fescennine to spell it well.