Tatoo or Tattoo: How To spell?
The word Tatoo is misspelled against Tattoo, a noun meaning "A beat of drum, or sound of a trumpet or bugle, at night, giving notice to soldiers to retreat, or to repair to their quarters in garrison, or to their tents in camp."
Tattoo has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings ta & oo which should not be misspelled with single 'T'
Wrong Spelling:  ta-t-oo  Correct Spelling:  ta-tt-oo 
Find more incorrect spellings of Tattoo to spell right way.