ずじまい => Haven't done A N1
Will, Decision, Doing
や、やいなや => As soon as A, B N1
Time, Situation
あまり~ない => Not very ~ N5
Amount
てやまない => To (always) think/feel/hope/etc. A N1
Will, Decision, Doing
させて[頂「いただ」]きます/させてもらいます => Allow me to A N1
Miscellaneous
と[相「あい」]まって => Along with A N1
Lists, examples
てさしあげる => Do for N4
Give and take advice
て下さいませんか => Please do A (polite) N5
Asking and Telling
をくださいませんか => Please give me A (polite) N5
Asking and Telling
やすい => A is easy to do N4
Verb Suffixes
やら~やら => A, B, ... (examples from a list) N2
Lists, Examples
あまり => Too A, Too much A, Overwhelming A N2
Degree, Level, Amount