Symetral or Symmetral: How To spell?

The word Symetral is misspelled against Symmetral, an adjective meaning "Commensurable; symmetrical."

Symmetral has double "mm" is mispronounced as "m"
Remember double 'MM' in between the strings sy & etral which should not be misspelled with single 'M'
Wrong Spelling:  sy-m-etral 
Correct Spelling:  sy-mm-etral 
Explore spell check of Symmetral to spell without errors.

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