Impercaived or Imperceived: How To spell?

The word Impercaived is misspelled against Imperceived, an adjective meaning "Not perceived."

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