Stoner or Stainer: How To spell?

The word Stoner 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 'O'
Wrong Spelling:  st-o-ner 
Correct Spelling:  st-ai-ner 
Find more incorrect spellings of Stainer to spell right way.

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