The word Comonly is misspelled against Commonly, an adverb meaning "In common; familiarly."
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Commonly has double "mm" is mispronounced as "m"
Remember double 'MM' in between the strings co & only which should not be misspelled with single 'M'
Wrong Spelling:  co-m-only 
Correct Spelling:  co-mm-only 
Find more incorrect spellings of Commonly to spell right way.