における => in; at (place) N2
Scope
おまけに => A. In addition, B N2
(Not)only, (Not) even
おまけに => to make matters worse; besides; what's more; in addition; on top of that​ N2
お => Prefix N5
Respectful, humble
...どおし => Throughout N3
Continuous
とおり => Several ways N4
Means and methods
おくに => Which country N5
Doubt
...もらおう => Please... N4
Benefit
なおす => to redo N3
Modify
ておられる => ( Honorifics) N3
Respectful, humble
お…です => Have..., are..., will... N3
Respectful, humble
おかげだ => thanks to... N3
Cause, reason