However, there are some ways to express the noun concept of "agony" using related words:
* Agonizing (adjective): While not a noun, you could use it in a sentence to describe something as causing agony. Example: "The agonizing pain made him scream."
* Agonized (adjective): Similarly, you could use this to describe a state of being in agony. Example: "His agonized face revealed his suffering."
* Agonist (noun): This refers to a person who is struggling or competing, often used in a dramatic context. It carries a connotation of intense effort, which can be associated with agony.
* Pain (noun): This is the most direct and common noun for the feeling of agony.
Ultimately, the best way to express the noun concept of "agony" depends on the specific context and the desired nuance.