Adjectives

(s)upwarddirected up“the cards were face upward”, “an upward stroke of the pen”
(s)up, upwardextending or moving toward a higher place“the up staircase”, “a general upward movement of fish”

Adverbs

(r)up, upwards, upward, upwardlyspatially or metaphorically from a lower to a higher position“look up!”, “the music surged up”, “the fragments flew upwards”, “prices soared upwards”, “upwardly mobile”
(r)up, upwards, upwardto a later time“they moved the meeting date up”, “from childhood upward”