General Suffixes:
* -ary: This suffix is often used for collections of people, but can also be used for things: "a library of books", "a aviary of birds".
* -ery: Similar to -ary, but often used for a place where things are kept or produced: "a bakery", "a pottery".
* -orium: This is a formal suffix for a place or collection of things, often used for scientific or academic collections: "an aquarium", "an herbarium".
* -age: This suffix often refers to a collection or quantity of something: "a baggage", "a foliage".
Suffixes based on specific types of things:
* -ation: For collections of actions or processes: "a collection of animations", "a collection of narrations".
* -ology: For collections of knowledge or theories: "a collection of astrologies", "a collection of mythologies".
* -ography: For collections of written or artistic works: "a collection of biographies", "a collection of lithographs".
Other possibilities:
* -set: This is a very general term for a collection: "a cutlery set", "a tea set".
* -group: This is another general term for a collection, especially for people: "a group of friends", "a group of musicians".
Examples:
* A collection of books: a library, a bookshelf
* A collection of birds: an aviary, a flock
* A collection of stamps: a philatelic collection, a stamp album
* A collection of stories: a collection, an anthology
It's important to choose the suffix that best fits the specific collection you are describing.