vigor vs energy

vigor and energy both are nouns.

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

As nouns, vigor and energy are synonyms defined as:

vigor and energy: an imaginative lively style (especially style of writing)

Other synonyms of vigor include muscularity, vigour, vim.

As nouns, vigor and energy are synonyms defined as:

Other synonyms of vigor include vigour, zip.

vigor (noun)	energy (noun)
active strength of body or mind	forceful exertion
an imaginative lively style (especially style of writing)	an imaginative lively style (especially style of writing)
forceful exertion	enterprising or ambitious drive
	(physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work; the units of energy are joules or ergs
	any source of usable power
	a healthy capacity for vigorous activity