spirit up vs invigorate

spirit up and invigorate both are verbs.

Word	Noun	Adjective	Verb	Adverb
spirit up	No	No	Yes	No
invigorate	No	No	Yes	No

As verbs, invigorate is a hypernym of spirit up; that is, invigorate is a word with a broader meaning than spirit up:

Other hypernyms of spirit up include animate, enliven, liven, liven up.

spirit up (verb)	invigorate (verb)
infuse with spirit	impart vigor, strength, or vitality to
	make lively
	give life or energy to
	heighten or intensify