Tattoing or Tattooing: How To spell?

The word Tattoing is misspelled against Tattooing, which is present continuous of "Tattoo"

Tattooing has double "oo" is mispronounced as "o"
Remember double 'OO' in between the strings tatt & ing which should not be misspelled with single 'O'
Wrong Spelling: tatt-o-ing
Correct Spelling: tatt-oo-ing
Find more incorrect spellings of Tattooing to spell right way.