Vain or Vein: How To spell?

The word Vain is misspelled against Vein, a noun meaning "A fissure, cleft, or cavity, as in the earth or other substance."

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