The word Hosanas is misspelled against Hosannas, which is plural of "Hosanna"
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Hosannas has double "nn" is mispronounced as "n"
Remember double 'NN' in between the strings hosa & as which should not be misspelled with single 'N'
Wrong Spelling:  hosa-n-as 
Correct Spelling:  hosa-nn-as 
Find more incorrect spellings of Hosannas to spell right way.