Semiannualy or Semiannually: How To spell?
The word Semiannualy is misspelled against Semiannually, an adverb meaning "Every half year."
Semiannually has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings semiannua & y which should not be misspelled with single 'L'
Wrong Spelling:  semiannua-l-y  Correct Spelling:  semiannua-ll-y 
Check more misspelled words of Semiannually to spell it correct.