a long, repetitive, and tedious enumeration or recitation of something, outlining a sizable set or series;
e.g. He offered her a litany of comments, none of which were very helpful.
(noun)
a prayer that consists of a series of petitions and invocations, usually recited by the leader of the service and responded to by the people, especially the prayer of this type found in the Book of Common Prayer (Christianity);