tremor vs Parkinsonism

tremor and Parkinsonism both are nouns.

Word	Noun	Adjective	Verb	Adverb
tremor	Yes	No	Yes	No
Parkinsonism	Yes	No	No	No

tremor (noun)	Parkinsonism (noun)
an involuntary vibration (as if from illness or fear)	a degenerative disorder of the central nervous system characterized by tremor and impaired muscular coordination
a small earthquake
shaking or trembling (usually resulting from weakness or stress or disease)

tremor (verb)	Parkinsonism (verb)
shake with seismic vibrations