The word Bigest is misspelled against Biggest, an adjective meaning "superl. of Big."
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Biggest has double "gg" is mispronounced as "g"
Remember double 'GG' in between the strings bi & est which should not be misspelled with single 'G'
Wrong Spelling:  bi-g-est 
Correct Spelling:  bi-gg-est 
Find more wrongly spelled words of Biggest to spell it well.