The digraph “ey” represents a vowel sound in a limited number of English words. These lexemes typically function as nouns, such as a small island or a droplet of moisture. One can also encounter this spelling in proper nouns designating locations or surnames.
Though not as frequent as other vowel combinations, the “ey” digraph plays a significant role in the lexicon. Its usage often reflects etymological influences, particularly from Old Norse and Old English. This spelling helps distinguish homophones and provides visual cues for pronunciation, contributing to clear communication. Historically, spelling variations were more common, but standardization has solidified the “ey” digraph in its current applications.