vim vs vitality

vim and vitality both are nouns.

Word	Noun	Adjective	Verb	Adverb
vim	Yes	No	No	No
vitality	Yes	No	No	No

As nouns, vitality is a hyponym of vim; that is, vitality is a word with a more specific, narrower meaning than vim:

Other hyponyms of vim include verve.

As nouns, vim and vitality are synonyms defined as:

Other synonyms of vim include energy.

vim (noun)	vitality (noun)
an imaginative lively style (especially style of writing)	the property of being able to survive and grow
a healthy capacity for vigorous activity	an energetic style
	(biology) a hypothetical force (not physical or chemical) once thought by Henri Bergson to cause the evolution and development of organisms
	a healthy capacity for vigorous activity