The word Apendicle is misspelled against Appendicle, a noun meaning "A small appendage."
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Appendicle has double "pp" is mispronounced as "p"
Remember double 'PP' in between the strings a & endicle which should not be misspelled with single 'P'
Wrong Spelling:  a-p-endicle 
Correct Spelling:  a-pp-endicle 
Find more wrongly spelled words of Appendicle to spell it well.