The word Leterure is misspelled against Letterure, a noun meaning "Letters; literature."
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Letterure has double "tt" is mispronounced as "t"
Remember double 'TT' in between the strings le & erure which should not be misspelled with single 'T'
Wrong Spelling:  le-t-erure 
Correct Spelling:  le-tt-erure 
Check more misspelled words of Letterure to spell it correct.