Acustoming or Accustoming: How To spell?
The word Acustoming is misspelled against Accustoming, which is present continuous of "Accustom"
Accustoming has double "cc" is mispronounced as "c"Remember double 'CC' in between the strings A & ustoming which should not be misspelled with single 'C'
Wrong Spelling:  A-c-ustoming  Correct Spelling:  A-cc-ustoming 
Check more misspelled words of Accustoming to spell it correct.