The word Ilapsing is misspelled against Illapsing, which is present continuous of "Illapse"
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Illapsing has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings i & apsing which should not be misspelled with single 'L'
Wrong Spelling:  i-l-apsing 
Correct Spelling:  i-ll-apsing 
Find more wrongly spelled words of Illapsing to spell it well.