や、やいなや => As soon as A, B N1
Time, Situation
やすい => A is easy to do N4
Verb Suffixes
やら~やら => A, B, ... (examples from a list) N2
Lists, Examples
てやまない => To (always) think/feel/hope/etc. A N1
Will, Decision, Doing
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
てやる => Do for someone N4
Give and take advice
やる => Give B to A N4
Give and take advice
にすぎない => Only A; No more than A N2
(Not)only, (Not) even
すら,ですら => Even A N1
(Not)only , (Not) even
[少「すこ」]しも~ない => Not (even a little) A N3
Not only, Not even
にはあたらない => There's no need to A, N1
Need/Requirements