Lernan or Lernean: How To spell?

The word Lernan is misspelled against Lernean, a noun meaning "One of a family (Lernaeidae) of parasitic Crustacea found attached to fishes and other marine animals. Some species penetrate the skin and flesh with the elongated head, and feed on the viscera. See Illust. in Appendix."

Lernean has vowels 'ea' together mispronounced as 'a'
Word contains consecutive vowels 'EA' in between alphabets lern & n is misspelled as 'A'
Wrong Spelling:  lern-a-n 
Correct Spelling:  lern-ea-n 
Explore spell check of Lernean to spell without errors.

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