The word Tatooing is misspelled against Tattooing, which is present continuous of "Tattoo"
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Tattooing has double "tt" is mispronounced as "t"
Remember double 'TT' in between the strings ta & ooing which should not be misspelled with single 'T'
Wrong Spelling:  ta-t-ooing 
Correct Spelling:  ta-tt-ooing 
Find more incorrect spellings of Tattooing to spell right way.