Symetrizing or Symmetrizing: How To spell?

The word Symetrizing is misspelled against Symmetrizing, which is present continuous of "Symmetrize"

Symmetrizing has double "mm" is mispronounced as "m"
Remember double 'MM' in between the strings sy & etrizing which should not be misspelled with single 'M'
Wrong Spelling:  sy-m-etrizing 
Correct Spelling:  sy-mm-etrizing 
Find more wrongly spelled words of Symmetrizing to spell it well.

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