The word Lernable is misspelled against Learnable, an adjective meaning "Such as can be learned."
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Learnable has vowels 'ea' together mispronounced as 'e'
Word contains consecutive vowels 'EA' in between alphabets l & rnable is misspelled as 'E'
Wrong Spelling:  l-e-rnable 
Correct Spelling:  l-ea-rnable 
Explore spell check of Learnable to spell without errors.