Flul or Flail: How To spell?

The word Flul is misspelled against Flail, a noun meaning "An ancient military weapon, like the common flail, often having the striking part armed with rows of spikes, or loaded."

Word contains consecutive vowels 'AI' in between alphabets fl & l is misspelled as 'U'
Wrong Spelling: fl-u-l
Correct Spelling: fl-ai-l
Check more misspelled words of Flail to spell it correct.