The word Aserting is misspelled against Asserting, which is present continuous of "Assert"
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Asserting has double "ss" is mispronounced as "s"
Remember double 'SS' in between the strings a & erting which should not be misspelled with single 'S'
Wrong Spelling:  a-s-erting 
Correct Spelling:  a-ss-erting 
Find more wrongly spelled words of Asserting to spell it well.