The word Tarifed is misspelled against Tariffed, which is past tense of "Tariff"
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Tariffed has double "ff" is mispronounced as "f"
Remember double 'FF' in between the strings Tari & ed which should not be misspelled with single 'F'
Wrong Spelling:  Tari-f-ed 
Correct Spelling:  Tari-ff-ed 
Find more wrongly spelled words of Tariffed to spell it well.