Stened or Stained: How To spell?

The word Stened is misspelled against Stained, which is past tense of "Stain"

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