The word Metle is misspelled against Mettle, meaning "quality of endurance or courage"
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Mettle has double "tt" is mispronounced as "t"
Remember double 'TT' in between the strings me & le which should not be misspelled with single 'T'
Wrong Spelling:  me-t-le 
Correct Spelling:  me-tt-le 
Explore spell check of Mettle to spell without errors.