以上 (の) => Just mentioned above N1
Standard
以上(は) => because; since; seeing that ~ N2
以上 の => more than; not less than; beyond ~ N2
Standard
~これ以上...ば => if ~ any more than this N1
Condition (hypothetical condition)
以来 => since; henceforth ~ N2
以下 => As follows, below N3
Standard
の上で(は)/~上 => according to; from the viewpoint of ~ N2
上 => In terms of... N1
Position, perspective
以外 => with the exception of; excepting ~ N2
上げる => to finish doing ~ N3
その上 => besides; in addition; furthermore ~ N3
上は => now that; since; as long as ~ N2