dynamism vs heartiness

dynamism and heartiness both are nouns.

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

As nouns, dynamism and heartiness are synonyms defined as:

Other synonyms of dynamism include vigor, vigour.

dynamism (noun)	heartiness (noun)
the activeness of an energetic personality	the quality of hearty sincerity
active strength of body or mind	active strength of body or mind
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