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