Evensong and Worship song

Evensong noun - The sixth of the seven canonical hours of the divine office; early evening; now often made a public service on Sundays.

Worship song and evensong are semantically related in religious song topic. In some cases you can use "Worship song" instead a noun "Evensong".

Evensong and worship song are semantically related in chant topic. You can use "Evensong" instead a noun phrase "Worship song", if it concerns topics such as paean, religious song.