Annabel \a-nna-bel\ as a girl's name is pronounced AN-a-BELL. Possibly elaborated form of Anna, or when combined with Belle. More likely a variant of Amabel, derived from Latin meaning "lovable". Most famous bearer was Edgar Allan Poe's Annabel Lee, in the poem of the same name. Common in Scotland since the 12th century. Annabella is the Latin form; Annabelle is the Gaelic form influenced by Belle.
A baby name that sounds like Annabel is Jennabel.