Threudfin or Threadfin: How To spell?
The word Threudfin is misspelled against Threadfin, a noun meaning "Any one of several species of fishes belonging to Polynemus and allied genera. They have numerous long pectoral filaments."
Threadfin has vowels 'ea' together mispronounced as 'eu'Word contains consecutive vowels 'EA' in between alphabets thr & dfin is misspelled as 'EU'
Wrong Spelling:  thr-eu-dfin  Correct Spelling:  thr-ea-dfin 
Check more misspelled words of Threadfin to spell it correct.