The word Splutered is misspelled against Spluttered, which is past tense of "Splutter"
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Spluttered has double "tt" is mispronounced as "t"
Remember double 'TT' in between the strings splu & ered which should not be misspelled with single 'T'
Wrong Spelling:  splu-t-ered 
Correct Spelling:  splu-tt-ered 
Check more misspelled words of Spluttered to spell it correct.