What part of speech ends with the suffixes -able and -ible?

The part of speech that ends with the suffixes "-able" and "-ible" is an adjective.

These suffixes are used to form adjectives that mean "capable of being" or "suitable for."

Here are some examples:

* Readable (adjective) - capable of being read

* Edible (adjective) - suitable for eating

* Accessible (adjective) - capable of being accessed

* Visible (adjective) - capable of being seen