The word Muter is misspelled against Mutter, a noun meaning "Repressed or obscure utterance."
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Mutter has double "tt" is mispronounced as "t"
Remember double 'TT' in between the strings mu & er which should not be misspelled with single 'T'
Wrong Spelling: mu-t-er
Correct Spelling: mu-tt-er
Check more misspelled words of Mutter to spell it correct.