Stener or Stainer: How To spell?

The word Stener is misspelled against Stainer, a noun meaning "A workman who stains; as, a stainer of wood."

Word contains consecutive vowels 'AI' in between alphabets st & ner is misspelled as 'E'
Wrong Spelling:  st-e-ner 
Correct Spelling:  st-ai-ner 
Explore spell check of Stainer to spell without errors.

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