Mountonous or Mountainous: How To spell?

The word Mountonous is misspelled against Mountainous, an adjective meaning "Full of, or containing, mountains; as, the mountainous country of the Swiss."

Word contains consecutive vowels 'AI' in between alphabets mount & nous is misspelled as 'O'
Wrong Spelling:  mount-o-nous 
Correct Spelling:  mount-ai-nous 
Check more misspelled words of Mountainous to spell it correct.

You might be interested to know

Overstod or Overstaid?

Pertoning or Pertaining?

Proseworthily or Praiseworthily?