What is the prefix and suffix of word irk?

The word "irk" doesn't have a prefix or a suffix. It's a root word meaning "to annoy" or "to irritate".

While "irk" doesn't have any parts that can be separated, it can be used to form other words:

* Prefixes: You can add prefixes like "un-" (unirk), "dis-" (disirk), or "re-" (reirk) to create new words, though these are not standard English words.

* Suffixes: You can add suffixes like "-ing" (irking), "-ed" (irked), or "-er" (irker) to create different forms of the verb "to irk".

Let me know if you'd like to know more about prefixes or suffixes!