Early black and Eventide

Eventide and early black are semantically related. in evening topic. In some cases you can use "Eventide" instead a noun phrase "Early black", when it comes to topics like latter part of a day.

Eventide noun - The time from when the sun begins to set to the onset of total darkness.

Early black and eventide are semantically related. You can use "Early black" instead a noun "Eventide".