The word Acostable is misspelled against Accostable, an adjective meaning "Approachable; affable."
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Accostable has double "cc" is mispronounced as "c"
Remember double 'CC' in between the strings A & ostable which should not be misspelled with single 'C'
Wrong Spelling:  A-c-ostable 
Correct Spelling:  A-cc-ostable 
Find more incorrect spellings of Accostable to spell right way.