The term 'Singer King' refers to two influential singers in the music industry: BENE (4 letters) and CAROLE King (6 letters). BENE is a stage name of Benito Antonio Martínez Ocasio, a Puerto Rican singer, songwriter, rapper, and actor. He is best known for his Latin trap and reggaeton music. CAROLE King is an American singer-songwriter who has been active since the 1960s. She is one of the most successful female songwriters of all time, having written or co-written over 400 songs.