Biterling or Bitterling: How To spell?
The word Biterling is misspelled against Bitterling, a noun meaning "A roachlike European fish (Rhodima amarus)."
Bitterling has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings bi & erling which should not be misspelled with single 'T'
Wrong Spelling:  bi-t-erling  Correct Spelling:  bi-tt-erling 
Find more wrongly spelled words of Bitterling to spell it well.