The word Semianually is misspelled against Semiannually, an adverb meaning "Every half year."
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Semiannually has double "nn" is mispronounced as "n"
Remember double 'NN' in between the strings semia & ually which should not be misspelled with single 'N'
Wrong Spelling: semia-n-ually
Correct Spelling: semia-nn-ually
Check more misspelled words of Semiannually to spell it correct.