Break of dawn and Sunrise

Sunrise and break of dawn are semantically related in dawn topic. In some cases you can use "Sunrise" instead a noun "Break of dawn", when it comes to topics like daybreak.

Sunrise noun - The first appearance of light in the morning or the time of its appearance.

Break of dawn and sunrise are semantically related in dawn topic. You can use "Break of dawn" instead a noun "Sunrise", if it concerns topics such as daybreak.