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
[必要「ひつよう」]はない => It is not necessary for A to be done N2
Needs, Requirements
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
てやまない => To (always) think/feel/hope/etc. A N1
Will, Decision, Doing
ずに => Without A..ing N4
Verb Suffixes
ずに => Without A..ing N3
Verb Suffixes
が[早「はや」]いか => As soon as A occurred, right after A N1
Time, Situation
ずじまい => Haven't done A N1
Will, Decision, Doing
ずくめ => Completely A, entirely A N1
Degree/ Level/Amount