The word Withstod is misspelled against Withstood, which is past tense of "Withstand."
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Withstood has double "oo" is mispronounced as "o"
Remember double 'OO' in between the strings withst & d which should not be misspelled with single 'O'
Wrong Spelling:  withst-o-d 
Correct Spelling:  withst-oo-d 
Find more incorrect spellings of Withstood to spell right way.