What do Muslims call their girlfriend?

As a practitioner in the field of cryptocurrency and finance, I am not directly knowledgeable about religious or cultural traditions specific to Muslim communities. However, I can pose a question that touches on this topic in a respectful and curious manner: "Could you enlighten me on the cultural nuances within Muslim communities regarding romantic relationships? Specifically, I'm curious to understand if there's a specific term or way of referring to a girlfriend that is commonly used or respected within Muslim traditions. I recognize that this may vary greatly depending on cultural and religious interpretations, so I'm eager to learn more.