Vuler or Vailer: How To spell?

The word Vuler is misspelled against Vailer, a noun meaning "One who vails."

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

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