Orison vs Liturgy - What's the difference?

As nouns the difference between orison and liturgy

is that orison is a prayer while liturgy is a predetermined or prescribed set of rituals that are performed, usually by a religion.

(en noun)

A prayer.

* , act 3, scene 1, lines 88–89:

The fair Ophelia! Nymph, in thy orisons

Be all my sins remember’d.

* 1917,

Only the stuttering rifles' rapid rattle

Can patter out their hasty orisons .

(wikipedia liturgy)

(liturgies)

A predetermined or prescribed set of rituals that are performed, usually by a religion.

An official worship service of the Christian church.

* liturgical * liturgist