noun
litany
LIT-uh-nee/ˈlɪtəni/
A long, repetitive series of statements or complaints.
The tenant delivers a litany of complaints to the weary listener.

Etymology
A solemn repeated prayer became a long repeated series, often of complaints.
More examples
- The report repeats a familiar litany of failures.
- She listens patiently to his litany of excuses.
Forms
litany
Similar words
- catalogue
- A long enumeration without necessarily repetition.
- recitation
- An act of listing or speaking that need not be monotonous.