Allegreto or Allegretto: How To spell?
The word Allegreto is misspelled against Allegretto, a noun meaning "A movement in this time."
Allegretto has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings allegre & o which should not be misspelled with single 'T'
Wrong Spelling:  allegre-t-o  Correct Spelling:  allegre-tt-o 
Find more incorrect spellings of Allegretto to spell right way.