Evensong and Littany

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

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

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