The word Prefering is misspelled against Preferring, which is present continuous of "Prefer"
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Preferring has double "rr" is mispronounced as "r"
Remember double 'RR' in between the strings prefe & ing which should not be misspelled with single 'R'
Wrong Spelling: prefe-r-ing
Correct Spelling: prefe-rr-ing
Find more wrongly spelled words of Preferring to spell it well.