What word could be used in place or pleuralgia to denote the same similar meaning?

There isn't a single perfect synonym for "pleuralgia" that captures its specific meaning. However, depending on the context, you could use some alternatives like:

General terms:

* Chest pain: This is the most general and broad term.

* Thoracic pain: This is more specific to the chest area.

* Pleuritic pain: This emphasizes the sharp, stabbing nature of the pain associated with pleurisy.

More specific terms:

* Pleurisy: This refers to the inflammation of the pleura, which often causes pleuralgia.

* Pleuritis: This is another word for pleurisy.

* Painful pleurisy: This directly combines the pain aspect with the condition.

Medical jargon:

* Pleurodynia: This term is used to describe pain in the pleura.

Ultimately, the best word to use will depend on the context and the level of formality you're aiming for.