The word Frosted is misspelled against Frostted, which is past tense of "Frost"
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Frostted has double "tt" is mispronounced as "t"
Remember double 'TT' in between the strings fros & ed which should not be misspelled with single 'T'
Wrong Spelling:  fros-t-ed 
Correct Spelling:  fros-tt-ed 
Find more incorrect spellings of Frostted to spell right way.