dynamism vs vigor

dynamism and vigor both are nouns.

Word	Noun	Adjective	Verb	Adverb
dynamism	Yes	No	No	No
vigor	Yes	No	No	No

As nouns, dynamism and vigor are synonyms defined as:

Other synonyms of dynamism include heartiness, vigour.

dynamism (noun)	vigor (noun)
the activeness of an energetic personality	active strength of body or mind
active strength of body or mind	an imaginative lively style (especially style of writing)
any of the various theories or doctrines or philosophical systems that attempt to explain the phenomena of the universe in terms of some immanent force or energy	forceful exertion