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