Stutering or Stuttering: How To spell?
The word Stutering is misspelled against Stuttering, a noun meaning "The act of one who stutters; -- restricted by some physiologists to defective speech due to inability to form the proper sounds, the breathing being normal, as distinguished from stammering."
Stuttering has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings stu & ering which should not be misspelled with single 'T'
Wrong Spelling:  stu-t-ering  Correct Spelling:  stu-tt-ering 
Check more misspelled words of Stuttering to spell it correct.