Solfegiare or Solfeggiare: How To spell?
The word Solfegiare is misspelled against Solfeggiare, a verb meaning "To sol-fa. See Sol-fa, v. i."
Solfeggiare has double "gg" is mispronounced as "g"Remember double 'GG' in between the strings solfe & iare which should not be misspelled with single 'G'
Wrong Spelling:  solfe-g-iare  Correct Spelling:  solfe-gg-iare 
Find more incorrect spellings of Solfeggiare to spell right way.