Bitering or Bittering: How To spell?
The word Bitering is misspelled against Bittering, a noun meaning "A bitter compound used in adulterating beer; bittern."
Bittering has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings bi & ering which should not be misspelled with single 'T'
Wrong Spelling:  bi-t-ering  Correct Spelling:  bi-tt-ering 
Find more wrongly spelled words of Bittering to spell it well.