Vaining or Veining: How To spell?

The word Vaining is misspelled against Veining, which is present continuous of "Vein"

Word contains consecutive vowels 'EI' in between alphabets v & ning is misspelled as 'AI'
Wrong Spelling:  v-ai-ning 
Correct Spelling:  v-ei-ning 
Find more wrongly spelled words of Veining to spell it well.