Agmentable or Augmentable: How To spell?

The word Agmentable is misspelled against Augmentable, an adjective meaning "Capable of augmentation."

Word begins with consecutive vowels 'AU' followed by alphabets 'gmentable' is misspelled as 'A' as letter 'U' is phonetically ig
Wrong Spelling:  a-gmentable 
Correct Spelling:  au-gmentable 
Explore spell check of Augmentable to spell without errors.

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