The word Witnesing is misspelled against Witnessing, which is present continuous of "Witness"
-->
Witnessing has double "ss" is mispronounced as "s"
Remember double 'SS' in between the strings witne & ing which should not be misspelled with single 'S'
Wrong Spelling: witne-s-ing
Correct Spelling: witne-ss-ing
Find more wrongly spelled words of Witnessing to spell it well.