vigour vs dynamism

vigour and dynamism both are nouns.

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

As nouns, vigour and dynamism are synonyms defined as:

Other synonyms of vigour include heartiness, vigor.

vigour (noun)	dynamism (noun)
active strength of body or mind	the activeness of an energetic personality
an imaginative lively style (especially style of writing)	active strength of body or mind
forceful exertion	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