Symetrical or Symmetrical: How To spell?
The word Symetrical is misspelled against Symmetrical, an adjective meaning "Having a common measure; commensurable."
Symmetrical has double "mm" is mispronounced as "m"Remember double 'MM' in between the strings sy & etrical which should not be misspelled with single 'M'
Wrong Spelling:  sy-m-etrical  Correct Spelling:  sy-mm-etrical 
Find more wrongly spelled words of Symmetrical to spell it well.