The word Titering is misspelled against Tittering, which is present continuous of "Titter"
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Tittering has double "tt" is mispronounced as "t"
Remember double 'TT' in between the strings ti & ering which should not be misspelled with single 'T'
Wrong Spelling:  ti-t-ering 
Correct Spelling:  ti-tt-ering 
Find more wrongly spelled words of Tittering to spell it well.