pleuralgia vs pleurodynia

pleuralgia and pleurodynia both are nouns.

Word	Noun	Adjective	Verb	Adverb
pleuralgia	Yes	No	No	No
pleurodynia	Yes	No	No	No

As nouns, pleuralgia and pleurodynia are synonyms defined as:

pleuralgia and pleurodynia: pain in the chest caused by inflammation of the muscles between the ribs

Other synonyms of pleuralgia include costalgia.

pleuralgia (noun)	pleurodynia (noun)
pain in the chest caused by inflammation of the muscles between the ribs	pain in the chest caused by inflammation of the muscles between the ribs