Suffixes for forming nouns:
* -ation: This suffix means "the act of" or "the process of." Classification is the most common example.
* -er: This suffix means "one who" or "that which." You could use classifier to refer to a person or system that categorizes things.
* -ing: This suffix means "the act of" or "the process of." You could use classifying to refer to the act of categorizing itself.
Other related words and suffixes:
* Categorize: This verb is synonymous with classify.
* -able: This suffix means "able to be." You could use classifiable to describe something that can be categorized.
* -ing: This suffix means "the act of." You could use categorizing to refer to the act of categorizing itself.
Examples:
* The classification of plants is complex. (Noun formed with "-ation")
* The computer is a powerful classifier. (Noun formed with "-er")
* We are classifying the books by genre. (Verb with "-ing" suffix)
* The data is classifiable into several categories. (Adjective formed with "-able")
Ultimately, the best suffix to use depends on the specific context and meaning you want to convey.