Waser or Weaser: How To spell?

The word Waser is misspelled against Weaser, a noun meaning "The American merganser; -- called also weaser sheldrake."

Weaser has vowels 'ea' together mispronounced as 'a'
Word contains consecutive vowels 'EA' in between alphabets w & ser is misspelled as 'A'
Wrong Spelling:  w-a-ser 
Correct Spelling:  w-ea-ser 
Explore spell check of Weaser to spell without errors.

You might be interested to know

Wrathe or Wreathe?

Achillen or Achillean?

Anneling or Annealing?