Jacquette Ada is a Cameroonian football forward, who plays for Fatih Vatan Spor in the Turkish Women's Super League with jersey number 13, and the Cameroon women's national team.
Technically, this is the feminine form of the Medieval French masculine Jacquet, itself a diminutive of Jacques. Source: Larousse "Dictionnaire des Prénoms", Paris, France 2009.
― Anonymous User 2/16/2022
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There is another nickname for Jacqueline in french: Jacotte.
Based on what I know about how French words/names are usually pronounced, I believe this name is pronounced ja-KET, with emphasis on the second syllable.