The word Sputering is misspelled against Sputtering, which is present continuous of "Sputter"
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Sputtering has double "tt" is mispronounced as "t"
Remember double 'TT' in between the strings spu & ering which should not be misspelled with single 'T'
Wrong Spelling: spu-t-ering
Correct Spelling: spu-tt-ering
Check more misspelled words of Sputtering to spell it correct.