Parkinsonism vs paralysis agitans

Parkinsonism and paralysis agitans both are nouns.

Word	Noun	Adjective	Verb	Adverb
Parkinsonism	Yes	No	No	No
paralysis agitans	Yes	No	No	No

As nouns, Parkinsonism and paralysis agitans are synonyms defined as:

Parkinsonism and paralysis agitans: a degenerative disorder of the central nervous system characterized by tremor and impaired muscular coordination

Other synonyms of Parkinsonism include Parkinson's, Parkinson's disease, Parkinson's syndrome, shaking palsy.

Parkinsonism (noun)	paralysis agitans (noun)
a degenerative disorder of the central nervous system characterized by tremor and impaired muscular coordination	a degenerative disorder of the central nervous system characterized by tremor and impaired muscular coordination