upbeat vs welfare

upbeat and welfare both are nouns.

Word	Noun	Adjective	Verb	Adverb
upbeat	Yes	Yes	No	No
welfare	Yes	No	No	No

As nouns, upbeat and welfare are synonyms defined as:

upbeat and welfare: a contented state of being happy and healthy and prosperous

Other synonyms of upbeat include eudaemonia, eudaimonia, well-being, wellbeing.

upbeat (noun)	welfare (noun)
an unaccented beat (especially the last beat of a measure)	governmental provision of economic assistance to persons in need
a contented state of being happy and healthy and prosperous	something that aids or promotes well-being
	a contented state of being happy and healthy and prosperous

upbeat (adjective)	welfare (adjective)
pleasantly (even unrealistically) optimistic