The word Flatened is misspelled against Flattened, which is past tense of "Flatten"
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Flattened has double "tt" is mispronounced as "t"
Remember double 'TT' in between the strings fla & ened which should not be misspelled with single 'T'
Wrong Spelling: fla-t-ened
Correct Spelling: fla-tt-ened
Explore spell check of Flattened to spell without errors.