Avgment or Augment: How To spell?

The word Avgment is misspelled against Augment, meaning "To make bigger."

Word begins with consecutive vowels 'AU' followed by alphabets 'gment' is misspelled as 'AV'
Wrong Spelling:  av-gment 
Correct Spelling:  au-gment 
Explore spell check of Augment to spell without errors.

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