The word Refered is misspelled against Referred, which is past tense of "Refer"
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Referred has double "rr" is mispronounced as "r"
Remember double 'RR' in between the strings refe & ed which should not be misspelled with single 'R'
Wrong Spelling:  refe-r-ed 
Correct Spelling:  refe-rr-ed 
Explore spell check of Referred to spell without errors.