The word Mafler is misspelled against Maffler, a noun meaning "A stammerer."
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Maffler has double "ff" is mispronounced as "f"
Remember double 'FF' in between the strings Ma & ler which should not be misspelled with single 'F'
Wrong Spelling:  Ma-f-ler 
Correct Spelling:  Ma-ff-ler 
Explore spell check of Maffler to spell without errors.