Titered or Tittered: How To spell?
The word Titered is misspelled against Tittered, which is past tense of "Titter"
Tittered has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings ti & ered which should not be misspelled with single 'T'
Wrong Spelling:  ti-t-ered  Correct Spelling:  ti-tt-ered 
Find more wrongly spelled words of Tittered to spell it well.