Primary Progressive Aphasia, also known as PPA, is a neurological disorder that affects communication skills, language, and speech abilities. Some of the synonyms for PPA include Progressive Non-Fluent Aphasia, Semantic Dementia, and Logopenic Progressive Aphasia. Progressive Non-Fluent Aphasia is characterized by difficulty in producing speech, while Semantic Dementia affects a person's understanding of words and concepts. Logopenic Progressive Aphasia, on the other hand, results in slow and hesitant speech. These synonyms help to specify the type of PPA and aid in developing specific treatment approaches. Early diagnosis and treatment can help manage the symptoms and improve communication and language abilities in individuals with PPA.