Nucle or Nuclei: How To spell?

The word Nucle is misspelled against Nuclei, which is plural of "Nucleus"

Word end with consecutive vowels 'EI' preceded by alphabets 'nucl' is misspelled as 'E' as letter 'I' is phonetically ignored
Wrong Spelling:  nucl-e 
Correct Spelling:  nucl-ei 
Check more misspelled words of Nuclei to spell it correct.