の上で(は)/~上 => according to; from the viewpoint of ~ N2
上 => In terms of... N1
Position, perspective
と言う/と言っていた => you could say; one might say; I'd say ~ N5
以上 (の) => Just mentioned above N1
Standard
上げる => to finish doing ~ N3
その上 => besides; in addition; furthermore ~ N3
以上(は) => because; since; seeing that ~ N2
と言っている => To say that ... N3
Speaking
上は => now that; since; as long as ~ N2
と言っていました => Someone said... N4
Speaking
上で => upon; after; when; for; in order to N2
以上 の => more than; not less than; beyond ~ N2
Standard