There are probably a number of different words, but offering and tithing come to mind.
Usher
The dish where money is put in church is typically referred to as an offering plate or collection plate. It is used during religious services to collect donations from congregants to support the church and its activities. The act of giving money in this way is often seen as a form of financial support for the church and its mission.
A church directory is usually a collection of names, addresses and pictures of the members of a particular parish. Also called a Church Pictorial Directory. It can also be a collective listing of individual churches within a particular synod.
church
A diocese means a collection of churches that exist in the same geographical region. It is headed by a bishop. The main church is called the Cathedral because it has the bishop's chair in it (called the Catherda) \
At collection of stamps is refered to as a stamp collection. They are frequently kept in albums. Philately is the name for the study and collection of stamps.
church
it is called a range of mountains
a collection of fish is called a school of fish
A collection of fish is called a school.
A collection of opinions is called a "consensus" or a "survey."
A collection of sayings is called a "proverb" or "aphorism."