nervism vs ism

nervism and ism both are nouns.

Word	Noun	Adjective	Verb	Adverb
nervism	Yes	No	No	No
ism	Yes	No	No	No

As nouns, ism is a hypernym of nervism; that is, ism is a word with a broader meaning than nervism:

nervism: the philosophical position adopted by Pavlov that all behavioral and physiological processes are regulated by the nervous system.
ism: a belief (or system of beliefs) accepted as authoritative by some group or school

Other hypernyms of nervism include doctrine, philosophical system, philosophy, school of thought.

nervism (noun)	ism (noun)
the philosophical position adopted by Pavlov that all behavioral and physiological processes are regulated by the nervous system.	a belief (or system of beliefs) accepted as authoritative by some group or school