ども => Humble, disdainful N2
Emphasize
どうも => Confused, bewildered N3
Emphasize
ども => although, even though N2
Trend
どうも => Not sure... N3
Vague
どうも => Used to greet N5
How to say the beginning
どうもない => No problem N3
Confirm
けれども => but; however; although ~ N4
How to say the beginning
など~ものか => No way... N3
Position, perspective
どんなに~ても => no matter how (much) N3
~といえども => even if; even though; despite ~ N1
~もどうぜんだ(~も同然だ)      => just like; same as ~ N1
てもどうなるものでもない => It's no use; can't do anything N3
Invariant