upwardly vs upward

upwardly is not an adjective while upward is an adjective.

Word	Noun	Adjective	Verb	Adverb
upwardly	No	No	No	Yes
upward	No	Yes	No	Yes

As adverbs, upwardly and upward are synonyms defined as:

upwardly and upward: spatially or metaphorically from a lower to a higher position

Other synonyms of upwardly include up, upwards.

upwardly (adjective)	upward (adjective)
	extending or moving toward a higher place
	directed up

upwardly (adverb)	upward (adverb)
spatially or metaphorically from a lower to a higher position	spatially or metaphorically from a lower to a higher position
	to a later time