Unsymetrical or Unsymmetrical: How To spell?
The word Unsymetrical is misspelled against Unsymmetrical, an adjective meaning "Being without symmetry of chemical structure or relation; as, an unsymmetrical carbon atom."
Unsymmetrical has double "mm" is mispronounced as "m"Remember double 'MM' in between the strings unsy & etrical which should not be misspelled with single 'M'
Wrong Spelling:  unsy-m-etrical  Correct Spelling:  unsy-mm-etrical 
Find more wrongly spelled words of Unsymmetrical to spell it well.