The word Adible is misspelled against Addible, an adjective meaning "Capable of being added."
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Addible has double "dd" is mispronounced as "d"
Remember double 'DD' in between the strings A & ible which should not be misspelled with single 'D'
Wrong Spelling:  A-d-ible 
Correct Spelling:  A-dd-ible 
Find more wrongly spelled words of Addible to spell it well.