The word Baso is misspelled against Basso, an adjective meaning "One who sings the lowest part."
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Basso has double "ss" is mispronounced as "s"
Remember double 'SS' in between the strings ba & o which should not be misspelled with single 'S'
Wrong Spelling:  ba-s-o 
Correct Spelling:  ba-ss-o 
Find more incorrect spellings of Basso to spell right way.