~をたて(~を経て)      => through; after; via N1
を通じて/を通して => through; via; throughout; by ~ N2
~やむをえず  => unavoidable, no other way to do something N2
Necessity, obligation
をもって => with... N1
Means and methods
を~として => as N2
…ばあいをのぞいて => Except for N2
Exception
~をもって(を以って)      => by means of; with; on / at / as of (time)​ N1
を除いて => except; with the exception of; excluding ~ N2
をもって => Since the time... N1
Time
をおいて~ない => Other than A, B N1
(Not)only , (Not) even
を[経「へ」]て => After A N1
Time, Situation
を => Auxiliary words N5