The word Biden is misspelled against Bidden, which is past perfect of "Bid."
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Bidden has double "dd" is mispronounced as "d"
Remember double 'DD' in between the strings Bi & en which should not be misspelled with single 'D'
Wrong Spelling: Bi-d-en
Correct Spelling: Bi-dd-en
Find more wrongly spelled words of Bidden to spell it well.