Concept:The underlined letters may not follow the usual pronunciation rule.Explanation:In "says", the underlined "ay" is pronounced as /e/, so the word sounds like /sez/.Option A, "end", is pronounced /end/, and it shares the same /e/ vowel sound."bay" and "rain" have the /eɪ/ sound, while "fern" has the /ɜː/ sound.Therefore, the word with the same vowel sound is "end".Answer:A. end