The word Apertaining is misspelled against Appertaining, which is present continuous of "Appertain"
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Appertaining has double "pp" is mispronounced as "p"
Remember double 'PP' in between the strings a & ertaining which should not be misspelled with single 'P'
Wrong Spelling:  a-p-ertaining 
Correct Spelling:  a-pp-ertaining 
Find more wrongly spelled words of Appertaining to spell it well.