や、やいなや => As soon as A, B N1
Time, Situation
てやまない => To (always) think/feel/hope/etc. A N1
Will, Decision, Doing
やすい => A is easy to do N4
Verb Suffixes
やら~やら => A, B, ... (examples from a list) N2
Lists, Examples
てしょうがない/てしかたがない => Very A; Really A; Extremely A N2
Degree, Level, Amount
[決「けっ」]して~ない => Won’t, isn’t N3
Will, Decision, Doing
ゃしない => Don't/Doesn't A (at all) N1
Will, Decision, Doing
しか~ない => Only , no more than , There's only N5
Amount
やる => Give B to A N4
Give and take advice
てやる => Do for someone N4
Give and take advice
もしないで => Even though (subject) doesn't/don't A N1
Contrast/Surprise
が[早「はや」]いか => As soon as A occurred, right after A N1
Time, Situation