What is the suffix for access?

There isn't a single specific suffix for "access". However, depending on the context, you can use various suffixes to create related words:

For nouns:

* -ibility: accessibility (the quality of being easy to access)

* -ion: accession (the act of gaining access)

For verbs:

* -ing: accessing (the act of gaining access)

For adjectives:

* -ible: accessible (capable of being accessed)

The most common suffix used to create words related to "access" is -ible. However, the most appropriate suffix will depend on the specific meaning you want to convey.