や、やいなや => As soon as A, B N1
Time, Situation
やら~やら => A, B, ... (examples from a list) N2
Lists, Examples
てやる => Do for someone N4
Give and take advice
やる => Give B to A N4
Give and take advice
やすい => A is easy to do N4
Verb Suffixes
わ => Very, so, already N5
Particles
[極「きわ」]み/[極「きわ」]まりない => Extremely A N1
Degree/ Level/Amount
てやまない => To (always) think/feel/hope/etc. A N1
Will, Decision, Doing
わりに => Considering A, B N2
Considering, Concerning
が[早「はや」]いか => As soon as A occurred, right after A N1
Time, Situation
わりに => Considering A, B (unexpected) N3
Considering, Concerning
にわたって/にわたり => Over the course of A (continuous action), Throughout A N2
Time, Situation