Hosanas or Hosannas: How To spell?
The word Hosanas is misspelled against Hosannas, which is plural of "Hosanna"
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.