What part of speech is created when suffix arium added to a word?

Adding the suffix "-arium" to a word generally creates a noun.

Here's why:

* "-arium" is a Latin suffix indicating a place or a container for something.

* Examples:

* Aquarium (a place for fish)

* Herbarium (a place for storing dried plants)

* Planetarium (a place with a model of the solar system)

* Aviary (a place for birds)

Therefore, when you add "-arium" to a word, you are creating a noun that refers to a specific place or container associated with the root word.