The word Cofined is misspelled against Coffined, which is past tense of "Coffin"
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Coffined has double "ff" is mispronounced as "f"
Remember double 'FF' in between the strings Co & ined which should not be misspelled with single 'F'
Wrong Spelling: Co-f-ined
Correct Spelling: Co-ff-ined
Find more incorrect spellings of Coffined to spell right way.