Which of the following suffixes has the same meaning as "algia"?

The suffix "algia" refers specifically to pain or discomfort. In this context, the correct answer is the suffix "-dynia," which also signifies pain. This overlap in meaning underscores a commonality between the terms, allowing for their interchangeable use in medical terminology when describing pain conditions or sensations.

For instance, terms like "neuralgia" refer to nerve pain, while "nephrodynia" refers to kidney pain. Both suffixes effectively convey that the patient is experiencing pain related to a specific area or condition.

The other suffixes do not share the meaning related to pain: "-itis" pertains to inflammation, "-emia" relates to blood conditions, and "-ology" denotes the study of a particular subject. Understanding the specific meanings of these suffixes is vital for accurate medical communication and comprehension.