上

1. noun, takes の above; over; up
2. noun top; summit; upper part; head (e.g. of a staircase)
3. surface; on (top of)
4. noun, takes の the above (in a piece of writing); earlier part
5. takes の, noun superior; better; higher (position, rank, etc.); upper (class)
6. elder; older; senior
7. noun, as ...上で(は) or ...上の with respect to ...; in terms of; as far as ... is concerned; when (e.g. drunk)
8. as ...上(に) besides ...; in addition to ...; on top of ...; as well as ...
9. as ...上(で) after ...; upon ...; on ...; with (e.g. full awareness); as a result of ...
10. as ...上は since ...; now that ...; because ...
11. suffix, honorific, after a person of higher status honorable; venerable; dear
12. noun, archaic emperor; sovereign; shogun; daimyo

かみ

1. noun upper reaches (of a river); upper stream
2. top; upper part; upper half (of the body)
3. long ago
4. beginning; first
5. honorific person of high rank (e.g. the emperor)
6. government; imperial court
7. imperial capital (i.e. Kyoto); capital region (i.e. Kansai); region (or direction of) the imperial palace
8. head (of a table)
9. honorific wife; mistress (of a restaurant)

じょう

1. suffix from the standpoint of; from the viewpoint of; with respect to; in terms of; as a matter of; in view of; so far as ... is concerned
2. on; above; on top of; aboard (a ship or vehicle)
3. noun, takes の the best; top; first class; first grade
4. noun first volume (of a two or three-volume set); first book
5. expression, written on a gift's wrapping paper with my compliments

うわ

1. noun, prefix upper; upward; outer; surface; top