Ruler or Railer: How To spell?

The word Ruler is misspelled against Railer, a noun meaning "One who rails; one who scoffs, insults, censures, or reproaches with opprobrious language."

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

You might be interested to know

Remuned or Remained?

Sud or Said?

Skysul or Skysail?