The word Misa is misspelled against Missa, a noun meaning "The service or sacrifice of the Mass."
-->
Missa has double "ss" is mispronounced as "s"
Remember double 'SS' in between the strings mi & a which should not be misspelled with single 'S'
Wrong Spelling: mi-s-a
Correct Spelling: mi-ss-a
Find more wrongly spelled words of Missa to spell it well.