--> Illegitimately has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings i & egitimately which should not be misspelled with single 'L'
Wrong Spelling:  i-l-egitimately 
Correct Spelling:  i-ll-egitimately 
Find more wrongly spelled words of Illegitimately to spell it well.