うと~まいと,うが~まいが => Whether or not A (is/occurs) N1
Based/focused/depending on
てしまう => Did something N4
Secondary Verb
うか~まいか => Whether to do A or B (do or not do) N1
Will, Decision, Doing
~ましょう。 => Let's (together), Shall I/we…? N5
Verb suffixes
ずにはすまない/ないではすまない => A must be done N1
Potential, Possibility
あまり~ない => Not very ~ N5
Amount
ずじまい => Haven't done A N1
Will, Decision, Doing
まい/まいか => Not A, Probably not A, I will definitely not A, Whether or not to A N2
Will, Decision, “Doing”
まま => Still, unchange N4
Situations and Experiences
そうにない => N2
Potential, Possibility
というか~というか => (not sure if it's) A or B N1
Miscellaneous
てもかまわない => No problem N4
Can, Should, Must