Preanounce or Preannounce: How To spell?
The word Preanounce is misspelled against Preannounce, a verb meaning "To announce beforehand."
Preannounce has double "nn" is mispronounced as "n"Remember double 'NN' in between the strings prea & ounce which should not be misspelled with single 'N'
Wrong Spelling:  prea-n-ounce  Correct Spelling:  prea-nn-ounce 
Check more misspelled words of Preannounce to spell it correct.