Subrachial or Subbrachial: How To spell?
The word Subrachial is misspelled against Subbrachial, an adjective meaning "pertaining to the subbrachians."
Subbrachial has double "bb" is mispronounced as "b"Remember double 'BB' in between the strings Su & rachial which should not be misspelled with single 'B'
Wrong Spelling:  Su-b-rachial  Correct Spelling:  Su-bb-rachial 
Check more misspelled words of Subbrachial to spell it correct.