The word Disimilate is misspelled against Dissimilate, a verb meaning "To render dissimilar."
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Dissimilate has double "ss" is mispronounced as "s"
Remember double 'SS' in between the strings di & imilate which should not be misspelled with single 'S'
Wrong Spelling:  di-s-imilate 
Correct Spelling:  di-ss-imilate 
Find more wrongly spelled words of Dissimilate to spell it well.